diff --git a/wp-admin/js/code-editor.js b/wp-admin/js/code-editor.js
index 5c826726fc..3710c37230 100644
--- a/wp-admin/js/code-editor.js
+++ b/wp-admin/js/code-editor.js
@@ -1,7 +1,13 @@
 if ( 'undefined' === typeof window.wp ) {
+	/**
+	 * @namespace wp
+	 */
 	window.wp = {};
 }
 if ( 'undefined' === typeof window.wp.codeEditor ) {
+	/**
+	 * @namespace wp.codeEditor
+	 */
 	window.wp.codeEditor = {};
 }
 
@@ -33,6 +39,7 @@ if ( 'undefined' === typeof window.wp.codeEditor ) {
 	 * @param {object}     settings.codeMirror - Settings for CodeMirror.
 	 * @param {Function}   settings.onChangeLintingErrors - Callback for when there are changes to linting errors.
 	 * @param {Function}   settings.onUpdateErrorNotice - Callback to update error notice.
+	 *
 	 * @returns {void}
 	 */
 	function configureLinting( editor, settings ) { // eslint-disable-line complexity
@@ -202,6 +209,7 @@ if ( 'undefined' === typeof window.wp.codeEditor ) {
 	 * @param {object}     settings.codeMirror - Settings for CodeMirror.
 	 * @param {Function}   settings.onTabNext - Callback to handle tabbing to the next tabbable element.
 	 * @param {Function}   settings.onTabPrevious - Callback to handle tabbing to the previous tabbable element.
+	 *
 	 * @returns {void}
 	 */
 	function configureTabbing( codemirror, settings ) {
@@ -240,7 +248,7 @@ if ( 'undefined' === typeof window.wp.codeEditor ) {
 	}
 
 	/**
-	 * @typedef {object} CodeEditorInstance
+	 * @typedef {object} wp.codeEditor~CodeEditorInstance
 	 * @property {object} settings - The code editor settings.
 	 * @property {CodeMirror} codemirror - The CodeMirror instance.
 	 */
@@ -260,6 +268,7 @@ if ( 'undefined' === typeof window.wp.codeEditor ) {
 	 * @param {object}                [settings.csslint] - Rules for CSSLint.
 	 * @param {object}                [settings.htmlhint] - Rules for HTMLHint.
 	 * @param {object}                [settings.jshint] - Rules for JSHint.
+	 *
 	 * @returns {CodeEditorInstance} Instance.
 	 */
 	wp.codeEditor.initialize = function initialize( textarea, settings ) {
diff --git a/wp-admin/js/color-picker.js b/wp-admin/js/color-picker.js
index 7574820c68..8b4bc603f2 100644
--- a/wp-admin/js/color-picker.js
+++ b/wp-admin/js/color-picker.js
@@ -14,9 +14,11 @@
 	 *
 	 * Creates a jQuery UI color picker that is used in the theme customizer.
 	 *
+	 * @class $.widget.wp.wpColorPicker
+	 *
 	 * @since 3.5.0
 	 */
-	ColorPicker = {
+	ColorPicker = /** @lends $.widget.wp.wpColorPicker.prototype */{
 		options: {
 			defaultColor: false,
 			change: false,
@@ -56,6 +58,8 @@
 				/**
 				 * @summary Handles the onChange event if one has been defined in the options.
 				 *
+				 * @ignore
+				 *
 				 * @param {Event} event    The event that's being called.
 				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
 				 *
@@ -179,6 +183,8 @@
 				 *
 				 * @since 3.5.0
 				 *
+				 * @ignore
+				 *
 				 * @param {Event} event    The event that's being called.
 				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
 				 *
diff --git a/wp-admin/js/customize-controls.js b/wp-admin/js/customize-controls.js
index 5151a12695..d9db2e600a 100644
--- a/wp-admin/js/customize-controls.js
+++ b/wp-admin/js/customize-controls.js
@@ -2,14 +2,7 @@
 (function( exports, $ ){
 	var Container, focus, normalizedTransitionendEventName, api = wp.customize;
 
-	/**
-	 * A notification that is displayed in a full-screen overlay.
-	 *
-	 * @since 4.9.0
-	 * @class
-	 * @augments wp.customize.Notification
-	 */
-	api.OverlayNotification = api.Notification.extend({
+	api.OverlayNotification = api.Notification.extend(/** @lends wp.customize.OverlayNotification.prototype */{
 
 		/**
 		 * Whether the notification should show a loading spinner.
@@ -20,7 +13,10 @@
 		loading: false,
 
 		/**
-		 * Initialize.
+		 * A notification that is displayed in a full-screen overlay.
+		 *
+		 * @constructs wp.customize.OverlayNotification
+		 * @augments   wp.customize.Notification
 		 *
 		 * @since 4.9.0
 		 *
@@ -68,14 +64,7 @@
 		}
 	});
 
-	/**
-	 * A collection of observable notifications.
-	 *
-	 * @since 4.9.0
-	 * @class
-	 * @augments wp.customize.Values
-	 */
-	api.Notifications = api.Values.extend({
+	api.Notifications = api.Values.extend(/** @lends wp.customize.Notifications.prototype */{
 
 		/**
 		 * Whether the alternative style should be used.
@@ -94,15 +83,18 @@
 		defaultConstructor: api.Notification,
 
 		/**
-		 * Initialize notifications area.
+		 * A collection of observable notifications.
 		 *
 		 * @since 4.9.0
-		 * @constructor
+		 *
+		 * @constructs wp.customize.Notifications
+		 * @augments   wp.customize.Values
+		 *
 		 * @param {object}  options - Options.
 		 * @param {jQuery}  [options.container] - Container element for notifications. This can be injected later.
 		 * @param {boolean} [options.alt] - Whether alternative style should be used when rendering notifications.
+		 *
 		 * @returns {void}
-		 * @this {wp.customize.Notifications}
 		 */
 		initialize: function( options ) {
 			var collection = this;
@@ -181,7 +173,6 @@
 		 * @param {object}  args - Args.
 		 * @param {boolean} [args.sort=false] - Whether to return the notifications sorted.
 		 * @return {Array.<wp.customize.Notification>} Notifications.
-		 * @this {wp.customize.Notifications}
 		 */
 		get: function( args ) {
 			var collection = this, notifications, errorTypePriorities, params;
@@ -217,7 +208,6 @@
 		 *
 		 * @since 4.9.0
 		 * @returns {void}
-		 * @this {wp.customize.Notifications}
 		 */
 		render: function() {
 			var collection = this,
@@ -340,20 +330,7 @@
 		}
 	});
 
-	/**
-	 * A Customizer Setting.
-	 *
-	 * A setting is WordPress data (theme mod, option, menu, etc.) that the user can
-	 * draft changes to in the Customizer.
-	 *
-	 * @see PHP class WP_Customize_Setting.
-	 *
-	 * @since 3.4.0
-	 * @class
-	 * @augments wp.customize.Value
-	 * @augments wp.customize.Class
-	 */
-	api.Setting = api.Value.extend({
+	api.Setting = api.Value.extend(/** @lends wp.customize.Setting.prototype */{
 
 		/**
 		 * Default params.
@@ -367,7 +344,15 @@
 		},
 
 		/**
-		 * Initialize.
+		 * A Customizer Setting.
+		 *
+		 * A setting is WordPress data (theme mod, option, menu, etc.) that the user can
+		 * draft changes to in the Customizer.
+		 *
+		 * @see PHP class WP_Customize_Setting.
+		 *
+		 * @constructs wp.customize.Setting
+		 * @augments   wp.customize.Value
 		 *
 		 * @since 3.4.0
 		 *
@@ -448,6 +433,8 @@
 	/**
 	 * Current change count.
 	 *
+	 * @alias wp.customize._latestRevision
+	 *
 	 * @since 4.7.0
 	 * @type {number}
 	 * @protected
@@ -457,6 +444,8 @@
 	/**
 	 * Last revision that was saved.
 	 *
+	 * @alias wp.customize._lastSavedRevision
+	 *
 	 * @since 4.7.0
 	 * @type {number}
 	 * @protected
@@ -466,6 +455,8 @@
 	/**
 	 * Latest revisions associated with the updated setting.
 	 *
+	 * @alias wp.customize._latestSettingRevisions
+	 *
 	 * @since 4.7.0
 	 * @type {object}
 	 * @protected
@@ -495,6 +486,8 @@
 	/**
 	 * Get the dirty setting values.
 	 *
+	 * @alias wp.customize.dirtyValues
+	 *
 	 * @since 4.7.0
 	 * @access public
 	 *
@@ -526,6 +519,8 @@
 	/**
 	 * Request updates to the changeset.
 	 *
+	 * @alias wp.customize.requestChangesetUpdate
+	 *
 	 * @since 4.7.0
 	 * @access public
 	 *
@@ -661,6 +656,8 @@
 	/**
 	 * Watch all changes to Value properties, and bubble changes to parent Values instance
 	 *
+	 * @alias wp.customize.utils.bubbleChildValueChanges
+	 *
 	 * @since 4.1.0
 	 *
 	 * @param {wp.customize.Class} instance
@@ -679,6 +676,8 @@
 	/**
 	 * Expand a panel, section, or control and focus on the first focusable element.
 	 *
+	 * @alias wp.customize~focus
+	 *
 	 * @since 4.1.0
 	 *
 	 * @param {Object}   [params]
@@ -726,6 +725,8 @@
 	 *
 	 * If a.priority() === b.priority(), then sort by their respective params.instanceNumber.
 	 *
+	 * @alias wp.customize.utils.prioritySort
+	 *
 	 * @since 4.1.0
 	 *
 	 * @param {(wp.customize.Panel|wp.customize.Section|wp.customize.Control)} a
@@ -743,6 +744,8 @@
 	/**
 	 * Return whether the supplied Event object is for a keydown event but not the Enter key.
 	 *
+	 * @alias wp.customize.utils.isKeydownButNotEnterEvent
+	 *
 	 * @since 4.1.0
 	 *
 	 * @param {jQuery.Event} event
@@ -755,6 +758,8 @@
 	/**
 	 * Return whether the two lists of elements are the same and are in the same order.
 	 *
+	 * @alias wp.customize.utils.areElementListsEqual
+	 *
 	 * @since 4.1.0
 	 *
 	 * @param {Array|jQuery} listA
@@ -781,6 +786,8 @@
 	 * UI element, after an optional delay. If the user focuses the element
 	 * before the delay passes, the reminder is canceled.
 	 *
+	 * @alias wp.customize.utils.highlightButton
+	 *
 	 * @since 4.9.0
 	 *
 	 * @param {jQuery} button - The element to highlight.
@@ -834,6 +841,8 @@
 	 *
 	 * Same functionality as the `current_time( 'mysql', false )` function in PHP.
 	 *
+	 * @alias wp.customize.utils.getCurrentTimestamp
+	 *
 	 * @since 4.9.0
 	 *
 	 * @returns {int} Current timestamp.
@@ -851,6 +860,8 @@
 	/**
 	 * Get remaining time of when the date is set.
 	 *
+	 * @alias wp.customize.utils.getRemainingTime
+	 *
 	 * @since 4.9.0
 	 *
 	 * @param {string|int|Date} datetime - Date time or timestamp of the future date.
@@ -876,6 +887,8 @@
 	 *
 	 * @since 4.7.0
 	 *
+	 * @ignore
+	 *
 	 * @returns {string|null} Normalized `transitionend` event name or null if CSS transitions are not supported.
 	 */
 	normalizedTransitionendEventName = (function () {
@@ -897,15 +910,7 @@
 		}
 	})();
 
-	/**
-	 * Base class for Panel and Section.
-	 *
-	 * @since 4.1.0
-	 *
-	 * @class
-	 * @augments wp.customize.Class
-	 */
-	Container = api.Class.extend({
+	Container = api.Class.extend(/** @lends wp.customize~Container.prototype */{
 		defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },
 		defaultExpandedArguments: { duration: 'fast', completeCallback: $.noop },
 		containerType: 'container',
@@ -920,8 +925,15 @@
 		},
 
 		/**
+		 * Base class for Panel and Section.
+		 *
+		 * @constructs wp.customize~Container
+		 * @augments   wp.customize.Class
+		 *
 		 * @since 4.1.0
 		 *
+		 * @borrows wp.customize~focus as focus
+		 *
 		 * @param {string}         id - The ID for the container.
 		 * @param {object}         options - Object containing one property: params.
 		 * @param {string}         options.title - Title shown when panel is collapsed and expanded.
@@ -999,7 +1011,6 @@
 		 *
 		 * @since 4.9.0
 		 * @returns {jQuery} Notification container element.
-		 * @this {wp.customize.Control}
 		 */
 		getNotificationsContainerElement: function() {
 			var container = this;
@@ -1305,9 +1316,8 @@
 			} );
 		},
 
-		/**
-		 * Bring the container into view and then expand this and bring it into view
-		 * @param {Object} [params]
+		/*
+		 * is documented using @borrows in the constructor.
 		 */
 		focus: focus,
 
@@ -1370,13 +1380,7 @@
 		}
 	});
 
-	/**
-	 * @since 4.1.0
-	 *
-	 * @class
-	 * @augments wp.customize.Class
-	 */
-	api.Section = Container.extend({
+	api.Section = Container.extend(/** @lends wp.customize.Section.prototype */{
 		containerType: 'section',
 		containerParent: '#customize-theme-controls',
 		containerPaneParent: '.customize-pane-parent',
@@ -1393,6 +1397,9 @@
 		},
 
 		/**
+		 * @constructs wp.customize.Section
+		 * @augments   wp.customize~Container
+		 *
 		 * @since 4.1.0
 		 *
 		 * @param {string}         id - The ID for the section.
@@ -1654,17 +1661,7 @@
 		}
 	});
 
-	/**
-	 * wp.customize.ThemesSection
-	 *
-	 * Custom section for themes that loads themes by category, and also
-	 * handles the theme-details view rendering and navigation.
-	 *
-	 * @constructor
-	 * @augments wp.customize.Section
-	 * @augments wp.customize.Container
-	 */
-	api.ThemesSection = api.Section.extend({
+	api.ThemesSection = api.Section.extend(/** @lends wp.customize.ThemesSection.prototype */{
 		currentTheme: '',
 		overlay: '',
 		template: '',
@@ -1683,7 +1680,13 @@
 		updateCountDebounced: null,
 
 		/**
-		 * Initialize.
+		 * wp.customize.ThemesSection
+		 *
+		 * Custom section for themes that loads themes by category, and also
+		 * handles the theme-details view rendering and navigation.
+		 *
+		 * @constructs wp.customize.ThemesSection
+		 * @augments   wp.customize.Section
 		 *
 		 * @since 4.9.0
 		 *
@@ -2627,22 +2630,16 @@
 		}
 	});
 
-	/**
-	 * Class wp.customize.OuterSection.
-	 *
-	 * Creates section outside of the sidebar, there is no ui to trigger collapse/expand so
-	 * it would require custom handling.
-	 *
-	 * @since 4.9
-	 *
-	 * @constructor
-	 * @augments wp.customize.Section
-	 * @augments wp.customize.Container
-	 */
-	api.OuterSection = api.Section.extend({
+	api.OuterSection = api.Section.extend(/** @lends wp.customize.OuterSection.prototype */{
 
 		/**
-		 * Initialize.
+		 * Class wp.customize.OuterSection.
+		 *
+		 * Creates section outside of the sidebar, there is no ui to trigger collapse/expand so
+		 * it would require custom handling.
+		 *
+		 * @constructs wp.customize.OuterSection
+		 * @augments   wp.customize.Section
 		 *
 		 * @since 4.9.0
 		 *
@@ -2746,16 +2743,13 @@
 		}
 	});
 
-	/**
-	 * @since 4.1.0
-	 *
-	 * @class
-	 * @augments wp.customize.Class
-	 */
-	api.Panel = Container.extend({
+	api.Panel = Container.extend(/** @lends wp.customize.Panel.prototype */{
 		containerType: 'panel',
 
 		/**
+		 * @constructs wp.customize.Panel
+		 * @augments   wp.customize~Container
+		 *
 		 * @since 4.1.0
 		 *
 		 * @param {string}         id - The ID for the panel.
@@ -3020,19 +3014,15 @@
 		}
 	});
 
-	/**
-	 * Class wp.customize.ThemesPanel.
-	 *
-	 * Custom section for themes that displays without the customize preview.
-	 *
-	 * @constructor
-	 * @augments wp.customize.Panel
-	 * @augments wp.customize.Container
-	 */
-	api.ThemesPanel = api.Panel.extend({
+	api.ThemesPanel = api.Panel.extend(/** @lends wp.customize.ThemsPanel.prototype */{
 
 		/**
-		 * Initialize.
+		 *  Class wp.customize.ThemesPanel.
+		 *
+		 * Custom section for themes that displays without the customize preview.
+		 *
+		 * @constructs wp.customize.ThemesPanel
+		 * @augments   wp.customize.Panel
 		 *
 		 * @since 4.9.0
 		 *
@@ -3451,17 +3441,7 @@
 		}
 	});
 
-	/**
-	 * A Customizer Control.
-	 *
-	 * A control provides a UI element that allows a user to modify a Customizer Setting.
-	 *
-	 * @see PHP class WP_Customize_Control.
-	 *
-	 * @class
-	 * @augments wp.customize.Class
-	 */
-	api.Control = api.Class.extend({
+	api.Control = api.Class.extend(/** @lends wp.customize.Control.prototype */{
 		defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },
 
 		/**
@@ -3478,7 +3458,19 @@
 		},
 
 		/**
-		 * Initialize.
+		 * A Customizer Control.
+		 *
+		 * A control provides a UI element that allows a user to modify a Customizer Setting.
+		 *
+		 * @see PHP class WP_Customize_Control.
+		 *
+		 * @constructs wp.customize.Control
+		 * @augments   wp.customize.Class
+		 *
+		 * @borrows wp.customize~focus as this#focus
+		 * @borrows wp.customize~Container#activate as this#activate
+		 * @borrows wp.customize~Container#deactivate as this#deactivate
+		 * @borrows wp.customize~Container#_toggleActive as this#_toggleActive
 		 *
 		 * @param {string} id                       - Unique identifier for the control instance.
 		 * @param {object} options                  - Options hash for the control instance.
@@ -3744,7 +3736,6 @@
 		 *
 		 * @since 4.6.0
 		 * @returns {jQuery} Setting validation message element.
-		 * @this {wp.customize.Control}
 		 */
 		getNotificationsContainerElement: function() {
 			var control = this, controlTitle, notificationsContainer;
@@ -3888,9 +3879,8 @@
 			api.section( this.section() ).expand( params );
 		},
 
-		/**
-		 * Bring the containing section and panel into view and then
-		 * this control into view, focusing on the first input.
+		/*
+		 * Documented using @borrows in the constructor.
 		 */
 		focus: focus,
 
@@ -3934,30 +3924,18 @@
 			return this.onChangeActive( active, this.defaultActiveArguments );
 		},
 
-		/**
-		 * Shorthand way to enable the active state.
-		 *
-		 * @since 4.1.0
-		 *
-		 * @param {Object} [params]
-		 * @returns {Boolean} false if already active
+		/*
+		 * Documented using @borrows in the constructor
 		 */
 		activate: Container.prototype.activate,
 
-		/**
-		 * Shorthand way to disable the active state.
-		 *
-		 * @since 4.1.0
-		 *
-		 * @param {Object} [params]
-		 * @returns {Boolean} false if already inactive
+		/*
+		 * Documented using @borrows in the constructor
 		 */
 		deactivate: Container.prototype.deactivate,
 
-		/**
-		 * Re-use _toggleActive from Container class.
-		 *
-		 * @access private
+		/*
+		 * Documented using @borrows in the constructor
 		 */
 		_toggleActive: Container.prototype._toggleActive,
 
@@ -4131,11 +4109,10 @@
 	/**
 	 * A colorpicker control.
 	 *
-	 * @class
+	 * @class    wp.customize.ColorControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.ColorControl = api.Control.extend({
+	api.ColorControl = api.Control.extend(/** @lends wp.customize.ColorControl.prototype */{
 		ready: function() {
 			var control = this,
 				isHueSlider = this.params.mode === 'hue',
@@ -4195,11 +4172,10 @@
 	/**
 	 * A control that implements the media modal.
 	 *
-	 * @class
+	 * @class    wp.customize.MediaControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.MediaControl = api.Control.extend({
+	api.MediaControl = api.Control.extend(/** @lends wp.customize.MediaControl.prototype */{
 
 		/**
 		 * When the control's DOM structure is ready,
@@ -4384,12 +4360,10 @@
 	/**
 	 * An upload control, which utilizes the media modal.
 	 *
-	 * @class
+	 * @class    wp.customize.UploadControl
 	 * @augments wp.customize.MediaControl
-	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.UploadControl = api.MediaControl.extend({
+	api.UploadControl = api.MediaControl.extend(/** @lends wp.customize.UploadControl.prototype */{
 
 		/**
 		 * Callback handler for when an attachment is selected in the media modal.
@@ -4428,13 +4402,10 @@
 	 * This control no longer needs to do anything more
 	 * than what the upload control does in JS.
 	 *
-	 * @class
+	 * @class    wp.customize.ImageControl
 	 * @augments wp.customize.UploadControl
-	 * @augments wp.customize.MediaControl
-	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.ImageControl = api.UploadControl.extend({
+	api.ImageControl = api.UploadControl.extend(/** @lends wp.customize.ImageControl.prototype */{
 		// @deprecated
 		thumbnailSrc: function() {}
 	});
@@ -4442,13 +4413,10 @@
 	/**
 	 * A control for uploading background images.
 	 *
-	 * @class
+	 * @class    wp.customize.BackgroundControl
 	 * @augments wp.customize.UploadControl
-	 * @augments wp.customize.MediaControl
-	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.BackgroundControl = api.UploadControl.extend({
+	api.BackgroundControl = api.UploadControl.extend(/** @lends wp.customize.BackgroundControl.prototype */{
 
 		/**
 		 * When the control's DOM structure is ready,
@@ -4479,11 +4447,10 @@
 	 *
 	 * @since 4.7.0
 	 *
-	 * @class
+	 * @class    wp.customize.BackgroundPositionControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.BackgroundPositionControl = api.Control.extend( {
+	api.BackgroundPositionControl = api.Control.extend(/** @lends wp.customize.BackgroundPositionControl.prototype */{
 
 		/**
 		 * Set up control UI once embedded in DOM and settings are created.
@@ -4518,12 +4485,10 @@
 	/**
 	 * A control for selecting and cropping an image.
 	 *
-	 * @class
+	 * @class    wp.customize.CroppedImageControl
 	 * @augments wp.customize.MediaControl
-	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.CroppedImageControl = api.MediaControl.extend({
+	api.CroppedImageControl = api.MediaControl.extend(/** @lends wp.customize.CroppedImageControl.prototype */{
 
 		/**
 		 * Open the media modal to the library state.
@@ -4720,13 +4685,10 @@
 	/**
 	 * A control for selecting and cropping Site Icons.
 	 *
-	 * @class
+	 * @class    wp.customize.SiteIconControl
 	 * @augments wp.customize.CroppedImageControl
-	 * @augments wp.customize.MediaControl
-	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.SiteIconControl = api.CroppedImageControl.extend({
+	api.SiteIconControl = api.CroppedImageControl.extend(/** @lends wp.customize.SiteIconControl.prototype */{
 
 		/**
 		 * Create a media modal select frame, and store it so the instance can be reused when needed.
@@ -4841,11 +4803,10 @@
 	});
 
 	/**
-	 * @class
+	 * @class    wp.customize.HeaderControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.HeaderControl = api.Control.extend({
+	api.HeaderControl = api.Control.extend(/** @lends wp.customize.HeaderControl.prototype */{
 		ready: function() {
 			this.btnRemove = $('#customize-control-header_image .actions .remove');
 			this.btnNew    = $('#customize-control-header_image .actions .new');
@@ -5111,11 +5072,10 @@
 	/**
 	 * wp.customize.ThemeControl
 	 *
-	 * @constructor
+	 * @class    wp.customize.ThemeControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.ThemeControl = api.Control.extend({
+	api.ThemeControl = api.Control.extend(/** @lends wp.customize.ThemeControl.prototype */{
 
 		touchDrag: false,
 		screenshotRendered: false,
@@ -5263,11 +5223,10 @@
 	 *
 	 * @since 4.9.0
 	 *
-	 * @constructor
+	 * @class    wp.customize.CodeEditorControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.CodeEditorControl = api.Control.extend({
+	api.CodeEditorControl = api.Control.extend(/** @lends wp.customize.CodeEditorControl.prototype */{
 
 		/**
 		 * Initialize.
@@ -5584,11 +5543,10 @@
 	 * Class wp.customize.DateTimeControl.
 	 *
 	 * @since 4.9.0
-	 * @constructor
+	 * @class    wp.customize.DateTimeControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.DateTimeControl = api.Control.extend({
+	api.DateTimeControl = api.Control.extend(/** @lends wp.customize.DateTimeControl.prototype */{
 
 		/**
 		 * Initialize behaviors.
@@ -5939,11 +5897,10 @@
 	 * Class PreviewLinkControl.
 	 *
 	 * @since 4.9.0
-	 * @constructor
+	 * @class    wp.customize.PreviewLinkControl
 	 * @augments wp.customize.Control
-	 * @augments wp.customize.Class
 	 */
-	api.PreviewLinkControl = api.Control.extend({
+	api.PreviewLinkControl = api.Control.extend(/** @lends wp.customize.PreviewLinkControl.prototype */{
 
 		defaults: _.extend( {}, api.Control.prototype.defaults, {
 			templateId: 'customize-preview-link-control'
@@ -6057,19 +6014,25 @@
 		}
 	});
 
-	// Change objects contained within the main customize object to Settings.
+	/**
+	 * Change objects contained within the main customize object to Settings.
+	 *
+	 * @alias wp.customize.defaultConstructor
+	 */
 	api.defaultConstructor = api.Setting;
 
 	/**
 	 * Callback for resolved controls.
 	 *
-	 * @callback deferredControlsCallback
-	 * @param {wp.customize.Control[]} Resolved controls.
+	 * @callback wp.customize.deferredControlsCallback
+	 * @param {wp.customize.Control[]} controls Resolved controls.
 	 */
 
 	/**
 	 * Collection of all registered controls.
 	 *
+	 * @alias wp.customize.control
+	 *
 	 * @since 3.4.0
 	 *
 	 * @type {Function}
@@ -6122,13 +6085,15 @@
 	/**
 	 * Callback for resolved sections.
 	 *
-	 * @callback deferredSectionsCallback
-	 * @param {wp.customize.Section[]} Resolved sections.
+	 * @callback wp.customize.deferredSectionsCallback
+	 * @param {wp.customize.Section[]} sections Resolved sections.
 	 */
 
 	/**
 	 * Collection of all registered sections.
 	 *
+	 * @alias wp.customize.section
+	 *
 	 * @since 3.4.0
 	 *
 	 * @type {Function}
@@ -6154,13 +6119,15 @@
 	/**
 	 * Callback for resolved panels.
 	 *
-	 * @callback deferredPanelsCallback
-	 * @param {wp.customize.Panel[]} Resolved panels.
+	 * @callback wp.customize.deferredPanelsCallback
+	 * @param {wp.customize.Panel[]} panels Resolved panels.
 	 */
 
 	/**
 	 * Collection of all registered panels.
 	 *
+	 * @alias wp.customize.panel
+	 *
 	 * @since 4.0.0
 	 *
 	 * @type {Function}
@@ -6186,13 +6153,15 @@
 	/**
 	 * Callback for resolved notifications.
 	 *
-	 * @callback deferredNotificationsCallback
-	 * @param {wp.customize.Notification[]} Resolved notifications.
+	 * @callback wp.customize.deferredNotificationsCallback
+	 * @param {wp.customize.Notification[]} notifications Resolved notifications.
 	 */
 
 	/**
 	 * Collection of all global notifications.
 	 *
+	 * @alias wp.customize.notifications
+	 *
 	 * @since 4.9.0
 	 *
 	 * @type {Function}
@@ -6223,20 +6192,15 @@
 	 */
 	api.notifications = new api.Notifications();
 
-	/**
-	 * An object that fetches a preview in the background of the document, which
-	 * allows for seamless replacement of an existing preview.
-	 *
-	 * @class
-	 * @augments wp.customize.Messenger
-	 * @augments wp.customize.Class
-	 * @mixes wp.customize.Events
-	 */
-	api.PreviewFrame = api.Messenger.extend({
+	api.PreviewFrame = api.Messenger.extend(/** @lends wp.customize.PreviewFrame.prototype */{
 		sensitivity: null, // Will get set to api.settings.timeouts.previewFrameSensitivity.
 
 		/**
-		 * Initialize the PreviewFrame.
+		 * An object that fetches a preview in the background of the document, which
+		 * allows for seamless replacement of an existing preview.
+		 *
+		 * @constructs wp.customize.PreviewFrame
+		 * @augments   wp.customize.Messenger
 		 *
 		 * @param {object} params.container
 		 * @param {object} params.previewUrl
@@ -6454,6 +6418,8 @@
 	/**
 	 * Set the document title of the customizer.
 	 *
+	 * @alias wp.customize.setDocumentTitle
+	 *
 	 * @since 4.1.0
 	 *
 	 * @param {string} documentTitle
@@ -6466,16 +6432,13 @@
 		api.trigger( 'title', title );
 	};
 
-	/**
-	 * @class
-	 * @augments wp.customize.Messenger
-	 * @augments wp.customize.Class
-	 * @mixes wp.customize.Events
-	 */
-	api.Previewer = api.Messenger.extend({
+	api.Previewer = api.Messenger.extend(/** @lends wp.customize.Previewer.prototype */{
 		refreshBuffer: null, // Will get set to api.settings.timeouts.windowRefresh.
 
 		/**
+		 * @constructs wp.customize.Previewer
+		 * @augments   wp.customize.Messenger
+		 *
 		 * @param {array}  params.allowedUrls
 		 * @param {string} params.container   A selector or jQuery element for the preview
 		 *                                    frame to be placed.
@@ -6929,6 +6892,8 @@
 	 *
 	 * Add notifications to the settings and focus on the first control that has an invalid setting.
 	 *
+	 * @alias wp.customize._handleSettingValidities
+	 *
 	 * @since 4.6.0
 	 * @private
 	 *
@@ -7004,6 +6969,8 @@
 	/**
 	 * Find all controls associated with the given settings.
 	 *
+	 * @alias wp.customize.findControlsForSettings
+	 *
 	 * @since 4.6.0
 	 * @param {string[]} settingIds Setting IDs.
 	 * @returns {object<string, wp.customize.Control>} Mapping setting ids to arrays of controls.
@@ -7025,6 +6992,8 @@
 	/**
 	 * Sort panels, sections, controls by priorities. Hide empty sections and panels.
 	 *
+	 * @alias wp.customize.reflowPaneContents
+	 *
 	 * @since 4.1.0
 	 */
 	api.reflowPaneContents = _.bind( function () {
@@ -7389,13 +7358,17 @@
 			}
 		});
 
-		// Initialize Previewer
+		/**
+		 * Initialize Previewer
+		 *
+		 * @alias wp.customize.previewer
+		 */
 		api.previewer = new api.Previewer({
 			container:   '#customize-preview',
 			form:        '#customize-controls',
 			previewUrl:  api.settings.url.preview,
 			allowedUrls: api.settings.url.allowed
-		}, {
+		},/** @lends wp.customize.previewer */{
 
 			nonce: api.settings.nonce,
 
@@ -8098,15 +8071,7 @@
 		 */
 		( function checkAndDisplayLockNotice() {
 
-			/**
-			 * A notification that is displayed in a full-screen overlay with information about the locked changeset.
-			 *
-			 * @since 4.9.0
-			 * @class
-			 * @augments wp.customize.Notification
-			 * @augments wp.customize.OverlayNotification
-			 */
-			var LockedNotification = api.OverlayNotification.extend({
+			var LockedNotification = api.OverlayNotification.extend(/** @lends wp.customize~LockedNotification.prototype */{
 
 				/**
 				 * Template ID.
@@ -8123,7 +8088,10 @@
 				lockUser: null,
 
 				/**
-				 * Initialize.
+				 * A notification that is displayed in a full-screen overlay with information about the locked changeset.
+				 *
+				 * @constructs wp.customize~LockedNotification
+				 * @augments   wp.customize.OverlayNotification
 				 *
 				 * @since 4.9.0
 				 *
diff --git a/wp-admin/js/customize-nav-menus.js b/wp-admin/js/customize-nav-menus.js
index 0818079656..d23a69fb98 100644
--- a/wp-admin/js/customize-nav-menus.js
+++ b/wp-admin/js/customize-nav-menus.js
@@ -13,6 +13,9 @@
 		this.jQueryExtensions();
 	};
 
+	/**
+	 * @namespace wp.customize.Menus
+	 */
 	api.Menus = api.Menus || {};
 
 	// Link settings.
@@ -35,6 +38,8 @@
 	 * Newly-created Nav Menus and Nav Menu Items have negative integer IDs which
 	 * serve as placeholders until Save & Publish happens.
 	 *
+	 * @alias wp.customize.Menus.generatePlaceholderAutoIncrementId
+	 *
 	 * @return {number}
 	 */
 	api.Menus.generatePlaceholderAutoIncrementId = function() {
@@ -46,7 +51,7 @@
 	 *
 	 * A single available menu item model. See PHP's WP_Customize_Nav_Menu_Item_Setting class.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.AvailableItemModel
 	 * @augments Backbone.Model
 	 */
 	api.Menus.AvailableItemModel = Backbone.Model.extend( $.extend(
@@ -61,10 +66,10 @@
 	 *
 	 * Collection for available menu item models.
 	 *
-	 * @constructor
-	 * @augments Backbone.Model
+	 * @class    wp.customize.Menus.AvailableItemCollection
+	 * @augments Backbone.Collection
 	 */
-	api.Menus.AvailableItemCollection = Backbone.Collection.extend({
+	api.Menus.AvailableItemCollection = Backbone.Collection.extend(/** @lends wp.customize.Menus.AvailableItemCollection.prototype */{
 		model: api.Menus.AvailableItemModel,
 
 		sort_key: 'order',
@@ -84,7 +89,7 @@
 	 * Insert a new `auto-draft` post.
 	 *
 	 * @since 4.7.0
-	 * @access public
+	 * @alias wp.customize.Menus.insertAutoDraftPost
 	 *
 	 * @param {object} params - Parameters for the draft post to create.
 	 * @param {string} params.post_type - Post type to add.
@@ -141,16 +146,7 @@
 		return deferred.promise();
 	};
 
-	/**
-	 * wp.customize.Menus.AvailableMenuItemsPanelView
-	 *
-	 * View class for the available menu items panel.
-	 *
-	 * @constructor
-	 * @augments wp.Backbone.View
-	 * @augments Backbone.View
-	 */
-	api.Menus.AvailableMenuItemsPanelView = wp.Backbone.View.extend({
+	api.Menus.AvailableMenuItemsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Menus.AvailableMenuItemsPanelView.prototype */{
 
 		el: '#available-menu-items',
 
@@ -181,6 +177,14 @@
 		loading: false,
 		addingNew: false,
 
+		/**
+		 * wp.customize.Menus.AvailableMenuItemsPanelView
+		 *
+		 * View class for the available menu items panel.
+		 *
+		 * @constructs wp.customize.Menus.AvailableMenuItemsPanelView
+		 * @augments   wp.Backbone.View
+		 */
 		initialize: function() {
 			var self = this;
 
@@ -753,10 +757,10 @@
 	 * Customizer panel for menus. This is used only for screen options management.
 	 * Note that 'menus' must match the WP_Customize_Menu_Panel::$type.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.MenusPanel
 	 * @augments wp.customize.Panel
 	 */
-	api.Menus.MenusPanel = api.Panel.extend({
+	api.Menus.MenusPanel = api.Panel.extend(/** @lends wp.customize.Menus.MenusPanel.prototype */{
 
 		attachEvents: function() {
 			api.Panel.prototype.attachEvents.call( this );
@@ -885,10 +889,10 @@
 	 * Customizer section for menus. This is used only for lazy-loading child controls.
 	 * Note that 'nav_menu' must match the WP_Customize_Menu_Section::$type.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.MenuSection
 	 * @augments wp.customize.Section
 	 */
-	api.Menus.MenuSection = api.Section.extend({
+	api.Menus.MenuSection = api.Section.extend(/** @lends wp.customize.Menus.MenuSection.prototype */{
 
 		/**
 		 * Initialize.
@@ -1212,10 +1216,10 @@
 	 *
 	 * Customizer section for new menus.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.NewMenuSection
 	 * @augments wp.customize.Section
 	 */
-	api.Menus.NewMenuSection = api.Section.extend({
+	api.Menus.NewMenuSection = api.Section.extend(/** @lends wp.customize.Menus.NewMenuSection.prototype */{
 
 		/**
 		 * Add behaviors for the accordion section.
@@ -1451,10 +1455,10 @@
 	 * Customizer control for menu locations (rendered as a <select>).
 	 * Note that 'nav_menu_location' must match the WP_Customize_Nav_Menu_Location_Control::$type.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.MenuLocationControl
 	 * @augments wp.customize.Control
 	 */
-	api.Menus.MenuLocationControl = api.Control.extend({
+	api.Menus.MenuLocationControl = api.Control.extend(/** @lends wp.customize.Menus.MenuLocationControl.prototype */{
 		initialize: function( id, options ) {
 			var control = this,
 				matches = id.match( /^nav_menu_locations\[(.+?)]/ );
@@ -1529,19 +1533,18 @@
 		}
 	});
 
-	/**
-	 * wp.customize.Menus.MenuItemControl
-	 *
-	 * Customizer control for menu items.
-	 * Note that 'menu_item' must match the WP_Customize_Menu_Item_Control::$type.
-	 *
-	 * @constructor
-	 * @augments wp.customize.Control
-	 */
-	api.Menus.MenuItemControl = api.Control.extend({
+	api.Menus.MenuItemControl = api.Control.extend(/** @lends wp.customize.Menus.MenuItemControl.prototype */{
 
 		/**
-		 * @inheritdoc
+		 * wp.customize.Menus.MenuItemControl
+		 *
+		 * Customizer control for menu items.
+		 * Note that 'menu_item' must match the WP_Customize_Menu_Item_Control::$type.
+		 *
+		 * @constructs wp.customize.Menus.MenuItemControl
+		 * @augments   wp.customize.Control
+		 *
+		 * @inheritDoc
 		 */
 		initialize: function( id, options ) {
 			var control = this;
@@ -2324,10 +2327,10 @@
 	 *
 	 * Customizer control for a nav menu's name.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.MenuNameControl
 	 * @augments wp.customize.Control
 	 */
-	api.Menus.MenuNameControl = api.Control.extend({
+	api.Menus.MenuNameControl = api.Control.extend(/** @lends wp.customize.Menus.MenuNameControl.prototype */{
 
 		ready: function() {
 			var control = this;
@@ -2364,10 +2367,10 @@
 	 * Customizer control for a nav menu's locations.
 	 *
 	 * @since 4.9.0
-	 * @constructor
+	 * @class    wp.customize.Menus.MenuLocationsControl
 	 * @augments wp.customize.Control
 	 */
-	api.Menus.MenuLocationsControl = api.Control.extend({
+	api.Menus.MenuLocationsControl = api.Control.extend(/** @lends wp.customize.Menus.MenuLocationsControl.prototype */{
 
 		/**
 		 * Set up the control.
@@ -2437,10 +2440,10 @@
 	 *
 	 * Customizer control for a nav menu's auto add.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.MenuAutoAddControl
 	 * @augments wp.customize.Control
 	 */
-	api.Menus.MenuAutoAddControl = api.Control.extend({
+	api.Menus.MenuAutoAddControl = api.Control.extend(/** @lends wp.customize.Menus.MenuAutoAddControl.prototype */{
 
 		ready: function() {
 			var control = this,
@@ -2490,10 +2493,10 @@
 	 * Customizer control for menus.
 	 * Note that 'nav_menu' must match the WP_Menu_Customize_Control::$type
 	 *
-	 * @constructor
+	 * @class    wp.customize.Menus.MenuControl
 	 * @augments wp.customize.Control
 	 */
-	api.Menus.MenuControl = api.Control.extend({
+	api.Menus.MenuControl = api.Control.extend(/** @lends wp.customize.Menus.MenuControl.prototype */{
 		/**
 		 * Set up the control.
 		 */
@@ -3021,22 +3024,18 @@
 		}
 	} );
 
-	/**
-	 * wp.customize.Menus.NewMenuControl
-	 *
-	 * Customizer control for creating new menus and handling deletion of existing menus.
-	 * Note that 'new_menu' must match the WP_Customize_New_Menu_Control::$type.
-	 *
-	 * @constructor
-	 * @augments wp.customize.Control
-	 * @deprecated 4.9.0 This class is no longer used due to new menu creation UX.
-	 */
-	api.Menus.NewMenuControl = api.Control.extend({
+	api.Menus.NewMenuControl = api.Control.extend(/** @lends wp.customize.Menus.NewMenuControl.prototype */{
 
 		/**
-		 * Initialize.
+		 * wp.customize.Menus.NewMenuControl
 		 *
-		 * @deprecated 4.9.0
+		 * Customizer control for creating new menus and handling deletion of existing menus.
+		 * Note that 'new_menu' must match the WP_Customize_New_Menu_Control::$type.
+		 *
+		 * @constructs wp.customize.Menus.NewMenuControl
+		 * @augments   wp.customize.Control
+		 *
+		 * @deprecated 4.9.0 This class is no longer used due to new menu creation UX.
 		 */
 		initialize: function() {
 			if ( 'undefined' !== typeof console && console.warn ) {
@@ -3166,6 +3165,8 @@
 	 * When customize_save comes back with a success, make sure any inserted
 	 * nav menus and items are properly re-added with their newly-assigned IDs.
 	 *
+	 * @alias wp.customize.Menus.applySavedData
+	 *
 	 * @param {object} data
 	 * @param {array} data.nav_menu_updates
 	 * @param {array} data.nav_menu_item_updates
@@ -3396,6 +3397,8 @@
 	/**
 	 * Focus a menu item control.
 	 *
+	 * @alias wp.customize.Menus.focusMenuItemControl
+	 *
 	 * @param {string} menuItemId
 	 */
 	api.Menus.focusMenuItemControl = function( menuItemId ) {
@@ -3408,6 +3411,8 @@
 	/**
 	 * Get the control for a given menu.
 	 *
+	 * @alias wp.customize.Menus.getMenuControl
+	 *
 	 * @param menuId
 	 * @return {wp.customize.controlConstructor.menus[]}
 	 */
@@ -3418,6 +3423,8 @@
 	/**
 	 * Given a menu item ID, get the control associated with it.
 	 *
+	 * @alias wp.customize.Menus.getMenuItemControl
+	 *
 	 * @param {string} menuItemId
 	 * @return {object|null}
 	 */
@@ -3426,6 +3433,8 @@
 	};
 
 	/**
+	 * @alias wp.customize.Menus~menuItemIdToSettingId
+	 *
 	 * @param {String} menuItemId
 	 */
 	function menuItemIdToSettingId( menuItemId ) {
@@ -3436,6 +3445,8 @@
 	 * Apply sanitize_text_field()-like logic to the supplied name, returning a
 	 * "unnammed" fallback string if the name is then empty.
 	 *
+	 * @alias wp.customize.Menus~displayNavMenuName
+	 *
 	 * @param {string} name
 	 * @returns {string}
 	 */
diff --git a/wp-admin/js/customize-widgets.js b/wp-admin/js/customize-widgets.js
index b2bd4ae6f6..40b514876b 100644
--- a/wp-admin/js/customize-widgets.js
+++ b/wp-admin/js/customize-widgets.js
@@ -7,6 +7,9 @@
 	var api = wp.customize,
 		l10n;
 
+	/**
+	 * @namespace wp.customize.Widgets
+	 */
 	api.Widgets = api.Widgets || {};
 	api.Widgets.savedWidgetIds = {};
 
@@ -19,10 +22,10 @@
 	 *
 	 * A single widget model.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Widgets.WidgetModel
 	 * @augments Backbone.Model
 	 */
-	api.Widgets.WidgetModel = Backbone.Model.extend({
+	api.Widgets.WidgetModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.WidgetModel.prototype */{
 		id: null,
 		temp_id: null,
 		classname: null,
@@ -45,10 +48,10 @@
 	 *
 	 * Collection for widget models.
 	 *
-	 * @constructor
-	 * @augments Backbone.Model
+	 * @class    wp.customize.Widgets.WidgetCollection
+	 * @augments Backbone.Collection
 	 */
-	api.Widgets.WidgetCollection = Backbone.Collection.extend({
+	api.Widgets.WidgetCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.WidgetCollection.prototype */{
 		model: api.Widgets.WidgetModel,
 
 		// Controls searching on the current widget collection
@@ -103,10 +106,10 @@
 	 *
 	 * A single sidebar model.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Widgets.SidebarModel
 	 * @augments Backbone.Model
 	 */
-	api.Widgets.SidebarModel = Backbone.Model.extend({
+	api.Widgets.SidebarModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.SidebarModel.prototype */{
 		after_title: null,
 		after_widget: null,
 		before_title: null,
@@ -123,24 +126,15 @@
 	 *
 	 * Collection for sidebar models.
 	 *
-	 * @constructor
+	 * @class    wp.customize.Widgets.SidebarCollection
 	 * @augments Backbone.Collection
 	 */
-	api.Widgets.SidebarCollection = Backbone.Collection.extend({
+	api.Widgets.SidebarCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.SidebarCollection.prototype */{
 		model: api.Widgets.SidebarModel
 	});
 	api.Widgets.registeredSidebars = new api.Widgets.SidebarCollection( api.Widgets.data.registeredSidebars );
 
-	/**
-	 * wp.customize.Widgets.AvailableWidgetsPanelView
-	 *
-	 * View class for the available widgets panel.
-	 *
-	 * @constructor
-	 * @augments wp.Backbone.View
-	 * @augments Backbone.View
-	 */
-	api.Widgets.AvailableWidgetsPanelView = wp.Backbone.View.extend({
+	api.Widgets.AvailableWidgetsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Widgets.AvailableWidgetsPanelView.prototype */{
 
 		el: '#available-widgets',
 
@@ -162,6 +156,12 @@
 		$clearResults: null,
 		searchMatchesCount: null,
 
+		/**
+		 * View class for the available widgets panel.
+		 *
+		 * @constructs wp.customize.Widgets.AvailableWidgetsPanelView
+		 * @augments   wp.Backbone.View
+		 */
 		initialize: function() {
 			var self = this;
 
@@ -197,7 +197,9 @@
 			api.previewer.bind( 'url', this.close );
 		},
 
-		// Performs a search and handles selected widget
+		/**
+		 * Performs a search and handles selected widget.
+		 */
 		search: function( event ) {
 			var firstVisible;
 
@@ -242,12 +244,16 @@
 			}
 		},
 
-		// Update the count of the available widgets that have the `search_matched` attribute.
+		/**
+		 * Updates the count of the available widgets that have the `search_matched` attribute.
+ 		 */
 		updateSearchMatchesCount: function() {
 			this.searchMatchesCount = this.collection.where({ search_matched: true }).length;
 		},
 
-		// Send a message to the aria-live region to announce how many search results.
+		/**
+		 * Sends a message to the aria-live region to announce how many search results.
+		 */
 		announceSearchMatches: _.debounce( function() {
 			var message = l10n.widgetsFound.replace( '%d', this.searchMatchesCount ) ;
 
@@ -258,7 +264,9 @@
 			wp.a11y.speak( message );
 		}, 500 ),
 
-		// Changes visibility of available widgets
+		/**
+		 * Changes visibility of available widgets.
+ 		 */
 		updateList: function() {
 			this.collection.each( function( widget ) {
 				var widgetTpl = $( '#widget-tpl-' + widget.id );
@@ -269,19 +277,25 @@
 			} );
 		},
 
-		// Highlights a widget
+		/**
+		 * Highlights a widget.
+ 		 */
 		select: function( widgetTpl ) {
 			this.selected = $( widgetTpl );
 			this.selected.siblings( '.widget-tpl' ).removeClass( 'selected' );
 			this.selected.addClass( 'selected' );
 		},
 
-		// Highlights a widget on focus
+		/**
+		 * Highlights a widget on focus.
+		 */
 		focus: function( event ) {
 			this.select( $( event.currentTarget ) );
 		},
 
-		// Submit handler for keypress and click on widget
+		/**
+		 * Handles submit for keypress and click on widget.
+		 */
 		_submit: function( event ) {
 			// Only proceed with keypress if it is Enter or Spacebar
 			if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
@@ -291,7 +305,9 @@
 			this.submit( $( event.currentTarget ) );
 		},
 
-		// Adds a selected widget to the sidebar
+		/**
+		 * Adds a selected widget to the sidebar.
+ 		 */
 		submit: function( widgetTpl ) {
 			var widgetId, widget, widgetFormControl;
 
@@ -319,7 +335,9 @@
 			this.close();
 		},
 
-		// Opens the panel
+		/**
+		 * Opens the panel.
+		 */
 		open: function( sidebarControl ) {
 			this.currentSidebarControl = sidebarControl;
 
@@ -346,7 +364,9 @@
 			}
 		},
 
-		// Closes the panel
+		/**
+		 * Closes the panel.
+		 */
 		close: function( options ) {
 			options = options || {};
 
@@ -362,7 +382,9 @@
 			this.$search.val( '' );
 		},
 
-		// Add keyboard accessiblity to the panel
+		/**
+		 * Adds keyboard accessiblity to the panel.
+		 */
 		keyboardAccessible: function( event ) {
 			var isEnter = ( event.which === 13 ),
 				isEsc = ( event.which === 27 ),
@@ -424,6 +446,8 @@
 	 * Handlers for the widget-synced event, organized by widget ID base.
 	 * Other widgets may provide their own update handlers by adding
 	 * listeners for the widget-synced event.
+	 *
+	 * @alias    wp.customize.Widgets.formSyncHandlers
 	 */
 	api.Widgets.formSyncHandlers = {
 
@@ -446,23 +470,22 @@
 		}
 	};
 
-	/**
-	 * wp.customize.Widgets.WidgetControl
-	 *
-	 * Customizer control for widgets.
-	 * Note that 'widget_form' must match the WP_Widget_Form_Customize_Control::$type
-	 *
-	 * @constructor
-	 * @augments wp.customize.Control
-	 */
-	api.Widgets.WidgetControl = api.Control.extend({
+	api.Widgets.WidgetControl = api.Control.extend(/** @lends wp.customize.Widgets.WidgetControl.prototype */{
 		defaultExpandedArguments: {
 			duration: 'fast',
 			completeCallback: $.noop
 		},
 
 		/**
+		 * wp.customize.Widgets.WidgetControl
+		 *
+		 * Customizer control for widgets.
+		 * Note that 'widget_form' must match the WP_Widget_Form_Customize_Control::$type
+		 *
 		 * @since 4.1.0
+		 *
+		 * @constructs wp.customize.Widgets.WidgetControl
+		 * @augments   wp.customize.Control
 		 */
 		initialize: function( id, options ) {
 			var control = this;
@@ -943,7 +966,7 @@
 		 *
 		 * @param {Boolean}   active
 		 * @param {Object}    args
-		 * @param {Callback}  args.completeCallback
+		 * @param {function}  args.completeCallback
 		 */
 		onChangeActive: function ( active, args ) {
 			// Note: there is a second 'args' parameter being passed, merged on top of this.defaultActiveArguments
@@ -1574,8 +1597,11 @@
 	 * Customizer panel containing the widget area sections.
 	 *
 	 * @since 4.4.0
+	 *
+	 * @class    wp.customize.Widgets.WidgetsPanel
+	 * @augments wp.customize.Panel
 	 */
-	api.Widgets.WidgetsPanel = api.Panel.extend({
+	api.Widgets.WidgetsPanel = api.Panel.extend(/** @lends wp.customize.Widgets.WigetsPanel.prototype */{
 
 		/**
 		 * Add and manage the display of the no-rendered-areas notice.
@@ -1695,8 +1721,11 @@
 	 * Customizer section representing a widget area widget
 	 *
 	 * @since 4.1.0
+	 *
+	 * @class    wp.customize.Widgets.SidebarSection
+	 * @augments wp.customize.Section
 	 */
-	api.Widgets.SidebarSection = api.Section.extend({
+	api.Widgets.SidebarSection = api.Section.extend(/** @lends wp.customize.Widgets.SidebarSection.prototype */{
 
 		/**
 		 * Sync the section's active state back to the Backbone model's is_rendered attribute
@@ -1722,10 +1751,10 @@
 	 *
 	 * @since 3.9.0
 	 *
-	 * @constructor
+	 * @class    wp.customize.Widgets.SidebarControl
 	 * @augments wp.customize.Control
 	 */
-	api.Widgets.SidebarControl = api.Control.extend({
+	api.Widgets.SidebarControl = api.Control.extend(/** @lends wp.customize.Widgets.SidebarControl.prototype */{
 
 		/**
 		 * Set up the control
diff --git a/wp-admin/js/editor.js b/wp-admin/js/editor.js
index d52e6ba63b..3d6b453ae3 100644
--- a/wp-admin/js/editor.js
+++ b/wp-admin/js/editor.js
@@ -1236,8 +1236,9 @@ window.wp = window.wp || {};
 	}
 
 	/**
-	 * @namespace {SwitchEditors} switchEditors
 	 * Expose the switch editors to be used globally.
+	 *
+	 * @namespace switchEditors
 	 */
 	window.switchEditors = new SwitchEditors();
 
diff --git a/wp-admin/js/image-edit.js b/wp-admin/js/image-edit.js
index 0d8eaf081f..a570c54297 100644
--- a/wp-admin/js/image-edit.js
+++ b/wp-admin/js/image-edit.js
@@ -614,6 +614,8 @@
 			/**
 			 * @summary Sets the CSS styles and binds events for locking the aspect ratio.
 			 *
+			 * @ignore
+			 *
 			 * @param {jQuery} img The preview image.
 			 */
 			onInit: function( img ) {
@@ -645,6 +647,8 @@
 			/**
 			 * @summary Event triggered when starting a selection.
 			 *
+			 * @ignore
+			 *
 			 * @returns {void}
 			 */
 			onSelectStart: function() {
@@ -653,6 +657,8 @@
 			/**
 			 * @summary Event triggered when the selection is ended.
 			 *
+			 * @ignore
+			 *
 			 * @param {object} img jQuery object representing the image.
 			 * @param {object} c   The selection.
 			 *
@@ -665,6 +671,8 @@
 			/**
 			 * @summary Event triggered when the selection changes.
 			 *
+			 * @ignore
+			 *
 			 * @param {object} img jQuery object representing the image.
 			 * @param {object} c   The selection.
 			 *
diff --git a/wp-admin/js/inline-edit-post.js b/wp-admin/js/inline-edit-post.js
index 0b3d6a8817..a5b052c25e 100644
--- a/wp-admin/js/inline-edit-post.js
+++ b/wp-admin/js/inline-edit-post.js
@@ -10,10 +10,9 @@ window.wp = window.wp || {};
 /**
  * Manages the quick edit and bulk edit windows for editing posts or pages.
  *
- * @namespace
+ * @namespace inlineEditPost
  *
  * @since 2.7.0
- * @access public
  *
  * @type {Object}
  *
diff --git a/wp-admin/js/media.js b/wp-admin/js/media.js
index 4c1dc58fc3..4bd91d5b7e 100644
--- a/wp-admin/js/media.js
+++ b/wp-admin/js/media.js
@@ -5,8 +5,7 @@
  *
  * @since 2.7.0
  *
- * @global
- * @namespace
+ * @namespace findPosts
  *
  * @requires jQuery
  */
diff --git a/wp-admin/js/nav-menu.js b/wp-admin/js/nav-menu.js
index 79a8556dbe..a121aa8b1e 100644
--- a/wp-admin/js/nav-menu.js
+++ b/wp-admin/js/nav-menu.js
@@ -10,6 +10,11 @@
 
 /* global menus, postboxes, columns, isRtl, navMenuL10n, ajaxurl */
 
+/**
+ * Contains all the functions to handle WordPress navigation menus administration.
+ *
+ * @namespace
+ */
 var wpNavMenu;
 
 (function($) {
@@ -167,6 +172,8 @@ var wpNavMenu;
 				/**
 				 * Adds selected menu items to the menu.
 				 *
+				 * @ignore
+				 *
 				 * @param jQuery metabox The metabox jQuery object.
 				 */
 				addSelectedToMenu : function(processMethod) {
diff --git a/wp-admin/js/plugin-install.js b/wp-admin/js/plugin-install.js
index 9fa218fe34..80e766b55d 100644
--- a/wp-admin/js/plugin-install.js
+++ b/wp-admin/js/plugin-install.js
@@ -1,7 +1,7 @@
 /* global plugininstallL10n, tb_click, tb_remove */
 
 /**
- * Functionality for the plugin install screens.
+ * @file Functionality for the plugin install screens.
  */
 var tb_position;
 jQuery( document ).ready( function( $ ) {
diff --git a/wp-admin/js/post.js b/wp-admin/js/post.js
index 662c62bff1..f8c2baf4f0 100644
--- a/wp-admin/js/post.js
+++ b/wp-admin/js/post.js
@@ -4,7 +4,7 @@
 /**
  * Contains all dynamic functionality needed on post and term pages.
  *
- * @summary Control page and term functionality.
+ * @file Control page and term functionality.
  */
 
 var commentsBox, WPSetThumbnailHTML, WPSetThumbnailID, WPRemoveThumbnail, wptitlehint, makeSlugeditClickable, editPermalink;
@@ -31,11 +31,11 @@ window.wp = window.wp || {};
 		/**
 		 * Fetch comments using AJAX and display them in the box.
 		 *
+		 * @memberof commentsBox
+		 *
 		 * @param {int} total Total number of comments for this post.
 		 * @param {int} num   Optional. Number of comments to fetch, defaults to 20.
 		 * @returns {boolean} Always returns false.
-		 *
-		 * @memberof commentsBox
 		 */
 		get : function(total, num) {
 			var st = this.st, data;
@@ -662,6 +662,8 @@ jQuery(document).ready( function($) {
 			/**
 			 * Add current post_ID to request to fetch custom fields
 			 *
+			 * @ignore
+			 *
 			 * @param {Object} s Request object.
 			 *
 			 * @returns {Object} Data modified with post_ID attached.
@@ -672,6 +674,8 @@ jQuery(document).ready( function($) {
 			},
 			/**
 			 * Show the listing of custom fields after fetching.
+			 *
+			 * @ignore
 			 */
 			addAfter: function() {
 				$('table#list-table').show();
@@ -689,6 +693,8 @@ jQuery(document).ready( function($) {
 		/**
 		 * When the visibility of a post changes sub-options should be shown or hidden.
 		 *
+		 * @ignore
+		 *
 		 * @returns void
 		 */
 		updateVisibility = function() {
@@ -711,6 +717,8 @@ jQuery(document).ready( function($) {
 		/**
 		 * Make sure all labels represent the current settings.
 		 *
+		 * @ignore
+		 *
 		 * @returns {boolean} False when an invalid timestamp has been selected, otherwise True.
 		 */
 		updateText = function() {
diff --git a/wp-admin/js/postbox.js b/wp-admin/js/postbox.js
index bbc73b2a69..97d8ab6e4e 100644
--- a/wp-admin/js/postbox.js
+++ b/wp-admin/js/postbox.js
@@ -81,6 +81,8 @@ var postboxes;
 			 * Contains a jQuery object with the relevant postbox element.
 			 *
 			 * @since 4.0.0
+			 * @ignore
+			 *
 			 * @event postboxes#postbox-toggled
 			 * @type {Object}
 			 */
@@ -137,6 +139,8 @@ var postboxes;
 			 * clicked this function will hide or show the relevant postboxes.
 			 *
 			 * @since 2.7.0
+			 * @ignore
+			 *
 			 * @fires postboxes#postbox-toggled
 			 *
 			 * @returns {void}
@@ -383,6 +387,8 @@ var postboxes;
 			 * Fires when the amount of columns on the post edit page has been changed.
 			 *
 			 * @since 4.0.0
+			 * @ignore
+			 *
 			 * @event postboxes#postboxes-columnchange
 			 */
 			$( document ).trigger( 'postboxes-columnchange' );
diff --git a/wp-admin/js/updates.js b/wp-admin/js/updates.js
index 2b5ba92913..ac360dae8a 100644
--- a/wp-admin/js/updates.js
+++ b/wp-admin/js/updates.js
@@ -2,9 +2,6 @@
  * Functions for ajaxified updates, deletions and installs inside the WordPress admin.
  *
  * @version 4.2.0
- *
- * @package WordPress
- * @subpackage Administration
  */
 
 /* global pagenow */
@@ -38,7 +35,7 @@
 	 *
 	 * @since 4.2.0
 	 *
-	 * @type {object}
+	 * @namespace wp.updates
 	 */
 	wp.updates = {};
 
@@ -84,19 +81,19 @@
 	 * @since 4.2.0
 	 * @since 4.6.0 Added `available` property to indicate whether credentials have been provided.
 	 *
-	 * @type {object} filesystemCredentials                    Holds filesystem credentials.
-	 * @type {object} filesystemCredentials.ftp                Holds FTP credentials.
-	 * @type {string} filesystemCredentials.ftp.host           FTP host. Default empty string.
-	 * @type {string} filesystemCredentials.ftp.username       FTP user name. Default empty string.
-	 * @type {string} filesystemCredentials.ftp.password       FTP password. Default empty string.
-	 * @type {string} filesystemCredentials.ftp.connectionType Type of FTP connection. 'ssh', 'ftp', or 'ftps'.
-	 *                                                         Default empty string.
-	 * @type {object} filesystemCredentials.ssh                Holds SSH credentials.
-	 * @type {string} filesystemCredentials.ssh.publicKey      The public key. Default empty string.
-	 * @type {string} filesystemCredentials.ssh.privateKey     The private key. Default empty string.
-	 * @type {string} filesystemCredentials.fsNonce            Filesystem credentials form nonce.
-	 * @type {bool}   filesystemCredentials.available          Whether filesystem credentials have been provided.
-	 *                                                         Default 'false'.
+	 * @type {Object}
+	 * @property {Object} filesystemCredentials.ftp                Holds FTP credentials.
+	 * @property {string} filesystemCredentials.ftp.host           FTP host. Default empty string.
+	 * @property {string} filesystemCredentials.ftp.username       FTP user name. Default empty string.
+	 * @property {string} filesystemCredentials.ftp.password       FTP password. Default empty string.
+	 * @property {string} filesystemCredentials.ftp.connectionType Type of FTP connection. 'ssh', 'ftp', or 'ftps'.
+	 *                                                             Default empty string.
+	 * @property {Object} filesystemCredentials.ssh                Holds SSH credentials.
+	 * @property {string} filesystemCredentials.ssh.publicKey      The public key. Default empty string.
+	 * @property {string} filesystemCredentials.ssh.privateKey     The private key. Default empty string.
+	 * @property {string} filesystemCredentials.fsNonce            Filesystem credentials form nonce.
+	 * @property {bool}   filesystemCredentials.available          Whether filesystem credentials have been provided.
+	 *                                                             Default 'false'.
 	 */
 	wp.updates.filesystemCredentials = {
 		ftp:       {
@@ -128,7 +125,7 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @type {function} A function that lazily-compiles the template requested.
+	 * @type {function}
 	 */
 	wp.updates.adminNotice = wp.template( 'wp-updates-admin-notice' );
 
@@ -407,7 +404,6 @@
 	 * @since 4.2.0
 	 * @since 4.6.0 More accurately named `updatePluginSuccess`.
 	 *
-	 * @typedef {object} updatePluginSuccess
 	 * @param {object} response            Response from the server.
 	 * @param {string} response.slug       Slug of the plugin to be updated.
 	 * @param {string} response.plugin     Basename of the plugin to be updated.
@@ -452,7 +448,6 @@
 	 * @since 4.2.0
 	 * @since 4.6.0 More accurately named `updatePluginError`.
 	 *
-	 * @typedef {object} updatePluginError
 	 * @param {object}  response              Response from the server.
 	 * @param {string}  response.slug         Slug of the plugin to be updated.
 	 * @param {string}  response.plugin       Basename of the plugin to be updated.
@@ -574,7 +569,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} installPluginSuccess
 	 * @param {object} response             Response from the server.
 	 * @param {string} response.slug        Slug of the installed plugin.
 	 * @param {string} response.pluginName  Name of the installed plugin.
@@ -610,7 +604,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} installPluginError
 	 * @param {object}  response              Response from the server.
 	 * @param {string}  response.slug         Slug of the plugin to be installed.
 	 * @param {string=} response.pluginName   Optional. Name of the plugin to be installed.
@@ -661,7 +654,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} installImporterSuccess
 	 * @param {object} response             Response from the server.
 	 * @param {string} response.slug        Slug of the installed plugin.
 	 * @param {string} response.pluginName  Name of the installed plugin.
@@ -693,7 +685,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} installImporterError
 	 * @param {object}  response              Response from the server.
 	 * @param {string}  response.slug         Slug of the plugin to be installed.
 	 * @param {string=} response.pluginName   Optional. Name of the plugin to be installed.
@@ -768,8 +759,7 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} deletePluginSuccess
-	 * @param {object} response            Response from the server.
+	 * @param {Object} response            Response from the server.
 	 * @param {string} response.slug       Slug of the plugin that was deleted.
 	 * @param {string} response.plugin     Base name of the plugin that was deleted.
 	 * @param {string} response.pluginName Name of the plugin that was deleted.
@@ -783,7 +773,11 @@
 				$pluginRow       = $( this ),
 				columnCount      = $form.find( 'thead th:not(.hidden), thead td' ).length,
 				pluginDeletedRow = wp.template( 'item-deleted-row' ),
-				/** @type {object} plugins Base names of plugins in their different states. */
+				/**
+				 * Plugins Base names of plugins in their different states.
+				 *
+				 * @type {Object}
+				 */
 				plugins          = settings.plugins;
 
 			// Add a success message after deleting a plugin.
@@ -858,7 +852,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} deletePluginError
 	 * @param {object}  response              Response from the server.
 	 * @param {string}  response.slug         Slug of the plugin to be deleted.
 	 * @param {string}  response.plugin       Base name of the plugin to be deleted
@@ -971,7 +964,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} updateThemeSuccess
 	 * @param {object} response
 	 * @param {string} response.slug       Slug of the theme to be updated.
 	 * @param {object} response.theme      Updated theme.
@@ -1033,7 +1025,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} updateThemeError
 	 * @param {object} response              Response from the server.
 	 * @param {string} response.slug         Slug of the theme to be updated.
 	 * @param {string} response.errorCode    Error code for the error that occurred.
@@ -1119,7 +1110,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} installThemeSuccess
 	 * @param {object} response              Response from the server.
 	 * @param {string} response.slug         Slug of the theme to be installed.
 	 * @param {string} response.customizeUrl URL to the Customizer for the just installed theme.
@@ -1170,7 +1160,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} installThemeError
 	 * @param {object} response              Response from the server.
 	 * @param {string} response.slug         Slug of the theme to be installed.
 	 * @param {string} response.errorCode    Error code for the error that occurred.
@@ -1268,7 +1257,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} deleteThemeSuccess
 	 * @param {object} response      Response from the server.
 	 * @param {string} response.slug Slug of the theme that was deleted.
 	 */
@@ -1327,7 +1315,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} deleteThemeError
 	 * @param {object} response              Response from the server.
 	 * @param {string} response.slug         Slug of the theme to be deleted.
 	 * @param {string} response.errorCode    Error code for the error that occurred.
@@ -1601,7 +1588,6 @@
 	 *
 	 * @since 4.6.0
 	 *
-	 * @typedef {object} maybeHandleCredentialError
 	 * @param {object} response              Response from the server.
 	 * @param {string} response.errorCode    Error code for the error that occurred.
 	 * @param {string} response.errorMessage The error that occurred.
diff --git a/wp-admin/js/widgets.js b/wp-admin/js/widgets.js
index 1cb74a3101..9268d0cbe2 100644
--- a/wp-admin/js/widgets.js
+++ b/wp-admin/js/widgets.js
@@ -245,6 +245,8 @@ wpWidgets = {
 			/**
 			 * Open Sidebar when a Widget gets dragged over it.
 			 *
+			 * @ignore
+			 *
 			 * @param {object} event jQuery event object.
 			 */
 			over: function( event ) {
@@ -268,6 +270,8 @@ wpWidgets = {
 			/**
 			 * Close Sidebar when the Widget gets dragged out of it.
 			 *
+			 * @ignore
+			 *
 			 * @param {object} event jQuery event object.
 			 */
 			out: function( event ) {
diff --git a/wp-admin/js/widgets/custom-html-widgets.js b/wp-admin/js/widgets/custom-html-widgets.js
index 6fd6421111..6d5b1679c8 100644
--- a/wp-admin/js/widgets/custom-html-widgets.js
+++ b/wp-admin/js/widgets/custom-html-widgets.js
@@ -1,6 +1,11 @@
 /* global wp */
 /* eslint consistent-this: [ "error", "control" ] */
 /* eslint no-magic-numbers: ["error", { "ignore": [0,1,-1] }] */
+
+/**
+ * @namespace wp.customHtmlWidget
+ * @memberOf wp
+ */
 wp.customHtmlWidgets = ( function( $ ) {
 	'use strict';
 
@@ -15,14 +20,7 @@ wp.customHtmlWidgets = ( function( $ ) {
 		}
 	};
 
-	/**
-	 * Text widget control.
-	 *
-	 * @class CustomHtmlWidgetControl
-	 * @constructor
-	 * @abstract
-	 */
-	component.CustomHtmlWidgetControl = Backbone.View.extend({
+	component.CustomHtmlWidgetControl = Backbone.View.extend(/** @lends wp.customHtmlWidgets.CustomHtmlWidgetControl.prototype */{
 
 		/**
 		 * View events.
@@ -32,11 +30,16 @@ wp.customHtmlWidgets = ( function( $ ) {
 		events: {},
 
 		/**
-		 * Initialize.
+		 * Text widget control.
+		 *
+		 * @constructs wp.customHtmlWidgets.CustomHtmlWidgetControl
+		 * @augments Backbone.View
+		 * @abstract
 		 *
 		 * @param {Object} options - Options.
 		 * @param {jQuery} options.el - Control field container element.
 		 * @param {jQuery} options.syncContainer - Container element where fields are synced for the server.
+		 *
 		 * @returns {void}
 		 */
 		initialize: function initialize( options ) {
@@ -171,6 +174,8 @@ wp.customHtmlWidgets = ( function( $ ) {
 				/**
 				 * Handle tabbing to the field before the editor.
 				 *
+				 * @ignore
+				 *
 				 * @returns {void}
 				 */
 				onTabPrevious: function onTabPrevious() {
@@ -180,6 +185,8 @@ wp.customHtmlWidgets = ( function( $ ) {
 				/**
 				 * Handle tabbing to the field after the editor.
 				 *
+				 * @ignore
+				 *
 				 * @returns {void}
 				 */
 				onTabNext: function onTabNext() {
@@ -190,6 +197,8 @@ wp.customHtmlWidgets = ( function( $ ) {
 				/**
 				 * Disable save button and store linting errors for use in updateFields.
 				 *
+				 * @ignore
+				 *
 				 * @param {Array} errorAnnotations - Error notifications.
 				 * @returns {void}
 				 */
@@ -200,6 +209,8 @@ wp.customHtmlWidgets = ( function( $ ) {
 				/**
 				 * Update error notice.
 				 *
+				 * @ignore
+				 *
 				 * @param {Array} errorAnnotations - Error annotations.
 				 * @returns {void}
 				 */
@@ -259,6 +270,8 @@ wp.customHtmlWidgets = ( function( $ ) {
 	/**
 	 * Mapping of widget ID to instances of CustomHtmlWidgetControl subclasses.
 	 *
+	 * @alias wp.customHtmlWidgets.widgetControls
+	 *
 	 * @type {Object.<string, wp.textWidgets.CustomHtmlWidgetControl>}
 	 */
 	component.widgetControls = {};
@@ -266,8 +279,11 @@ wp.customHtmlWidgets = ( function( $ ) {
 	/**
 	 * Handle widget being added or initialized for the first time at the widget-added event.
 	 *
+	 * @alias wp.customHtmlWidgets.handleWidgetAdded
+	 *
 	 * @param {jQuery.Event} event - Event.
 	 * @param {jQuery}       widgetContainer - Widget container element.
+	 *
 	 * @returns {void}
 	 */
 	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
@@ -325,6 +341,8 @@ wp.customHtmlWidgets = ( function( $ ) {
 	/**
 	 * Setup widget in accessibility mode.
 	 *
+	 * @alias wp.customHtmlWidgets.setupAccessibleMode
+	 *
 	 * @returns {void}
 	 */
 	component.setupAccessibleMode = function setupAccessibleMode() {
@@ -358,6 +376,8 @@ wp.customHtmlWidgets = ( function( $ ) {
 	 * the widgets admin screen and also via the 'widget-synced' event when making
 	 * a change to a widget in the customizer.
 	 *
+	 * @alias wp.customHtmlWidgets.handleWidgetUpdated
+	 *
 	 * @param {jQuery.Event} event - Event.
 	 * @param {jQuery}       widgetContainer - Widget container element.
 	 * @returns {void}
@@ -387,7 +407,10 @@ wp.customHtmlWidgets = ( function( $ ) {
 	 * When WordPress enqueues this script, it should have an inline script
 	 * attached which calls wp.textWidgets.init().
 	 *
+	 * @alias wp.customHtmlWidgets.init
+	 *
 	 * @param {object} settings - Options for code editor, exported from PHP.
+	 *
 	 * @returns {void}
 	 */
 	component.init = function init( settings ) {
diff --git a/wp-admin/js/widgets/media-audio-widget.js b/wp-admin/js/widgets/media-audio-widget.js
index 1f98ef70cf..e3e53c70fe 100644
--- a/wp-admin/js/widgets/media-audio-widget.js
+++ b/wp-admin/js/widgets/media-audio-widget.js
@@ -7,10 +7,10 @@
 	/**
 	 * Custom audio details frame that removes the replace-audio state.
 	 *
-	 * @class AudioDetailsMediaFrame
-	 * @constructor
+	 * @class    wp.mediaWidgets.controlConstructors~AudioDetailsMediaFrame
+	 * @augments wp.media.view.MediaFrame.AudioDetails
 	 */
-	AudioDetailsMediaFrame = wp.media.view.MediaFrame.AudioDetails.extend({
+	AudioDetailsMediaFrame = wp.media.view.MediaFrame.AudioDetails.extend(/** @lends wp.mediaWidgets.controlConstructors~AudioDetailsMediaFrame.prototype */{
 
 		/**
 		 * Create the default states.
@@ -40,8 +40,8 @@
 	 *
 	 * See WP_Widget_Audio::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
-	 * @class AudioWidgetModel
-	 * @constructor
+	 * @class    wp.mediaWidgets.modelConstructors.media_audio
+	 * @augments wp.mediaWidgets.MediaWidgetModel
 	 */
 	AudioWidgetModel = component.MediaWidgetModel.extend({});
 
@@ -50,10 +50,10 @@
 	 *
 	 * See WP_Widget_Audio::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
-	 * @class AudioWidgetModel
-	 * @constructor
+	 * @class    wp.mediaWidgets.controlConstructors.media_audio
+	 * @augments wp.mediaWidgets.MediaWidgetControl
 	 */
-	AudioWidgetControl = component.MediaWidgetControl.extend({
+	AudioWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_audio.prototype */{
 
 		/**
 		 * Show display settings.
diff --git a/wp-admin/js/widgets/media-gallery-widget.js b/wp-admin/js/widgets/media-gallery-widget.js
index ebba81cf86..e9c5342e89 100644
--- a/wp-admin/js/widgets/media-gallery-widget.js
+++ b/wp-admin/js/widgets/media-gallery-widget.js
@@ -8,10 +8,10 @@
 	 * Custom gallery details frame.
 	 *
 	 * @since 4.9.0
-	 * @class GalleryDetailsMediaFrame
-	 * @constructor
+	 * @class    wp.mediaWidgets~GalleryDetailsMediaFrame
+	 * @augments wp.media.view.MediaFrame.Post
 	 */
-	GalleryDetailsMediaFrame = wp.media.view.MediaFrame.Post.extend( {
+	GalleryDetailsMediaFrame = wp.media.view.MediaFrame.Post.extend(/** @lends wp.mediaWidgets~GalleryDetailsMediaFrame.prototype */{
 
 		/**
 		 * Create the default states.
@@ -53,21 +53,13 @@
 	 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
 	 * @since 4.9.0
-	 * @class GalleryWidgetModel
-	 * @constructor
+	 *
+	 * @class    wp.mediaWidgets.modelConstructors.media_gallery
+	 * @augments wp.mediaWidgets.MediaWidgetModel
 	 */
-	GalleryWidgetModel = component.MediaWidgetModel.extend( {} );
+	GalleryWidgetModel = component.MediaWidgetModel.extend(/** @lends wp.mediaWidgets.modelConstructors.media_gallery.prototype */{} );
 
-	/**
-	 * Gallery widget control.
-	 *
-	 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
-	 *
-	 * @since 4.9.0
-	 * @class GalleryWidgetControl
-	 * @constructor
-	 */
-	GalleryWidgetControl = component.MediaWidgetControl.extend( {
+	GalleryWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_gallery.prototype */{
 
 		/**
 		 * View events.
@@ -80,7 +72,12 @@
 		} ),
 
 		/**
-		 * Initialize.
+		 * Gallery widget control.
+		 *
+		 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
+		 *
+		 * @constructs wp.mediaWidgets.controlConstructors.media_gallery
+		 * @augments   wp.mediaWidgets.MediaWidgetControl
 		 *
 		 * @since 4.9.0
 		 * @param {Object}         options - Options.
diff --git a/wp-admin/js/widgets/media-image-widget.js b/wp-admin/js/widgets/media-image-widget.js
index 78b257feae..eeebd174f9 100644
--- a/wp-admin/js/widgets/media-image-widget.js
+++ b/wp-admin/js/widgets/media-image-widget.js
@@ -9,8 +9,8 @@
 	 *
 	 * See WP_Widget_Media_Image::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
-	 * @class ImageWidgetModel
-	 * @constructor
+	 * @class    wp.mediaWidgets.modelConstructors.media_image
+	 * @augments wp.mediaWidgets.MediaWidgetModel
 	 */
 	ImageWidgetModel = component.MediaWidgetModel.extend({});
 
@@ -19,10 +19,10 @@
 	 *
 	 * See WP_Widget_Media_Image::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
-	 * @class ImageWidgetModel
-	 * @constructor
+	 * @class    wp.mediaWidgets.controlConstructors.media_audio
+	 * @augments wp.mediaWidgets.MediaWidgetControl
 	 */
-	ImageWidgetControl = component.MediaWidgetControl.extend({
+	ImageWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_image.prototype */{
 
 		/**
 		 * View events.
diff --git a/wp-admin/js/widgets/media-video-widget.js b/wp-admin/js/widgets/media-video-widget.js
index ddaaf5f3f5..86ed429946 100644
--- a/wp-admin/js/widgets/media-video-widget.js
+++ b/wp-admin/js/widgets/media-video-widget.js
@@ -7,10 +7,12 @@
 	/**
 	 * Custom video details frame that removes the replace-video state.
 	 *
-	 * @class VideoDetailsMediaFrame
-	 * @constructor
+	 * @class    wp.mediaWidgets.controlConstructors~VideoDetailsMediaFrame
+	 * @augments wp.media.view.MediaFrame.VideoDetails
+	 *
+	 * @private
 	 */
-	VideoDetailsMediaFrame = wp.media.view.MediaFrame.VideoDetails.extend({
+	VideoDetailsMediaFrame = wp.media.view.MediaFrame.VideoDetails.extend(/** @lends wp.mediaWidgets.controlConstructors~VideoDetailsMediaFrame.prototype */{
 
 		/**
 		 * Create the default states.
@@ -49,8 +51,8 @@
 	 *
 	 * See WP_Widget_Video::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
-	 * @class VideoWidgetModel
-	 * @constructor
+	 * @class    wp.mediaWidgets.modelConstructors.media_video
+	 * @augments wp.mediaWidgets.MediaWidgetModel
 	 */
 	VideoWidgetModel = component.MediaWidgetModel.extend({});
 
@@ -59,10 +61,10 @@
 	 *
 	 * See WP_Widget_Video::enqueue_admin_scripts() for amending prototype from PHP exports.
 	 *
-	 * @class VideoWidgetControl
-	 * @constructor
+	 * @class    wp.mediaWidgets.controlConstructors.media_video
+	 * @augments wp.mediaWidgets.MediaWidgetControl
 	 */
-	VideoWidgetControl = component.MediaWidgetControl.extend({
+	VideoWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_video.prototype */{
 
 		/**
 		 * Show display settings.
diff --git a/wp-admin/js/widgets/media-widgets.js b/wp-admin/js/widgets/media-widgets.js
index 6d994add2b..07ea42aa37 100644
--- a/wp-admin/js/widgets/media-widgets.js
+++ b/wp-admin/js/widgets/media-widgets.js
@@ -1,4 +1,9 @@
 /* eslint consistent-this: [ "error", "control" ] */
+
+/**
+ * @namespace wp.mediaWidgets
+ * @memberOf  wp
+ */
 wp.mediaWidgets = ( function( $ ) {
 	'use strict';
 
@@ -9,6 +14,8 @@ wp.mediaWidgets = ( function( $ ) {
 	 *
 	 * Media widgets register themselves by assigning subclasses of MediaWidgetControl onto this object by widget ID base.
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetModel>}
 	 */
 	component.controlConstructors = {};
@@ -18,22 +25,22 @@ wp.mediaWidgets = ( function( $ ) {
 	 *
 	 * Media widgets register themselves by assigning subclasses of MediaWidgetControl onto this object by widget ID base.
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetModel>}
 	 */
 	component.modelConstructors = {};
 
-	/**
-	 * Library which persists the customized display settings across selections.
-	 *
-	 * @class PersistentDisplaySettingsLibrary
-	 * @constructor
-	 */
-	component.PersistentDisplaySettingsLibrary = wp.media.controller.Library.extend({
+	component.PersistentDisplaySettingsLibrary = wp.media.controller.Library.extend(/** @lends wp.mediaWidgets.PersistentDisplaySettingsLibrary.prototype */{
 
 		/**
-		 * Initialize.
+		 * Library which persists the customized display settings across selections.
+		 *
+		 * @constructs wp.mediaWidgets.PersistentDisplaySettingsLibrary
+		 * @augments   wp.media.controller.Library
 		 *
 		 * @param {Object} options - Options.
+		 *
 		 * @returns {void}
 		 */
 		initialize: function initialize( options ) {
@@ -79,10 +86,10 @@ wp.mediaWidgets = ( function( $ ) {
 	/**
 	 * Extended view for managing the embed UI.
 	 *
-	 * @class MediaEmbedView
-	 * @constructor
+	 * @class    wp.mediaWidgets.MediaEmbedView
+	 * @augments wp.media.view.Embed
 	 */
-	component.MediaEmbedView = wp.media.view.Embed.extend({
+	component.MediaEmbedView = wp.media.view.Embed.extend(/** @lends wp.mediaWidgets.MediaEmbedView.prototype */{
 
 		/**
 		 * Initialize.
@@ -109,6 +116,9 @@ wp.mediaWidgets = ( function( $ ) {
 		 * @returns {void}
 		 */
 		refresh: function refresh() {
+			/**
+			 * @class wp.mediaWidgets~Constructor
+			 */
 			var Constructor;
 
 			if ( 'image' === this.controller.options.mimeType ) {
@@ -116,7 +126,7 @@ wp.mediaWidgets = ( function( $ ) {
 			} else {
 
 				// This should be eliminated once #40450 lands of when this is merged into core.
-				Constructor = wp.media.view.EmbedLink.extend({
+				Constructor = wp.media.view.EmbedLink.extend(/** @lends wp.mediaWidgets~Constructor.prototype */{
 
 					/**
 					 * Set the disabled state on the Add to Widget button.
@@ -284,10 +294,10 @@ wp.mediaWidgets = ( function( $ ) {
 	/**
 	 * Custom media frame for selecting uploaded media or providing media by URL.
 	 *
-	 * @class MediaFrameSelect
-	 * @constructor
+	 * @class    wp.mediaWidgets.MediaFrameSelect
+	 * @augments wp.media.view.MediaFrame.Post
 	 */
-	component.MediaFrameSelect = wp.media.view.MediaFrame.Post.extend({
+	component.MediaFrameSelect = wp.media.view.MediaFrame.Post.extend(/** @lends wp.mediaWidgets.MediaFrameSelect.prototype */{
 
 		/**
 		 * Create the default states.
@@ -357,6 +367,8 @@ wp.mediaWidgets = ( function( $ ) {
 				/**
 				 * Handle click.
 				 *
+				 * @ignore
+				 *
 				 * @fires wp.media.controller.State#insert()
 				 * @returns {void}
 				 */
@@ -408,14 +420,7 @@ wp.mediaWidgets = ( function( $ ) {
 		}
 	});
 
-	/**
-	 * Media widget control.
-	 *
-	 * @class MediaWidgetControl
-	 * @constructor
-	 * @abstract
-	 */
-	component.MediaWidgetControl = Backbone.View.extend({
+	component.MediaWidgetControl = Backbone.View.extend(/** @lends wp.mediaWidgets.MediaWidgetControl.prototype */{
 
 		/**
 		 * Translation strings.
@@ -473,12 +478,17 @@ wp.mediaWidgets = ( function( $ ) {
 		showDisplaySettings: true,
 
 		/**
-		 * Initialize.
+		 * Media Widget Control.
+		 *
+		 * @constructs wp.mediaWidgets.MediaWidgetControl
+		 * @augments   Backbone.View
+		 * @abstract
 		 *
 		 * @param {Object}         options - Options.
 		 * @param {Backbone.Model} options.model - Model.
 		 * @param {jQuery}         options.el - Control field container element.
 		 * @param {jQuery}         options.syncContainer - Container element where fields are synced for the server.
+		 *
 		 * @returns {void}
 		 */
 		initialize: function initialize( options ) {
@@ -961,10 +971,10 @@ wp.mediaWidgets = ( function( $ ) {
 	/**
 	 * Media widget model.
 	 *
-	 * @class MediaWidgetModel
-	 * @constructor
+	 * @class    wp.mediaWidgets.MediaWidgetModel
+	 * @augments Backbone.Model
 	 */
-	component.MediaWidgetModel = Backbone.Model.extend({
+	component.MediaWidgetModel = Backbone.Model.extend(/** @lends wp.mediaWidgets.MediaWidgetModel.prototype */{
 
 		/**
 		 * Id attribute.
@@ -1085,15 +1095,19 @@ wp.mediaWidgets = ( function( $ ) {
 	/**
 	 * Collection of all widget model instances.
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @type {Backbone.Collection}
 	 */
-	component.modelCollection = new ( Backbone.Collection.extend({
+	component.modelCollection = new ( Backbone.Collection.extend( {
 		model: component.MediaWidgetModel
 	}) )();
 
 	/**
 	 * Mapping of widget ID to instances of MediaWidgetControl subclasses.
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetControl>}
 	 */
 	component.widgetControls = {};
@@ -1101,8 +1115,11 @@ wp.mediaWidgets = ( function( $ ) {
 	/**
 	 * Handle widget being added or initialized for the first time at the widget-added event.
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @param {jQuery.Event} event - Event.
 	 * @param {jQuery}       widgetContainer - Widget container element.
+	 *
 	 * @returns {void}
 	 */
 	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
@@ -1184,6 +1201,8 @@ wp.mediaWidgets = ( function( $ ) {
 	/**
 	 * Setup widget in accessibility mode.
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @returns {void}
 	 */
 	component.setupAccessibleMode = function setupAccessibleMode() {
@@ -1233,8 +1252,11 @@ wp.mediaWidgets = ( function( $ ) {
 	 * the widgets admin screen and also via the 'widget-synced' event when making
 	 * a change to a widget in the customizer.
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @param {jQuery.Event} event - Event.
 	 * @param {jQuery}       widgetContainer - Widget container element.
+	 *
 	 * @returns {void}
 	 */
 	component.handleWidgetUpdated = function handleWidgetUpdated( event, widgetContainer ) {
@@ -1267,6 +1289,8 @@ wp.mediaWidgets = ( function( $ ) {
 	 * When WordPress enqueues this script, it should have an inline script
 	 * attached which calls wp.mediaWidgets.init().
 	 *
+	 * @memberOf wp.mediaWidgets
+	 *
 	 * @returns {void}
 	 */
 	component.init = function init() {
diff --git a/wp-admin/js/widgets/text-widgets.js b/wp-admin/js/widgets/text-widgets.js
index e752569099..1c928956fd 100644
--- a/wp-admin/js/widgets/text-widgets.js
+++ b/wp-admin/js/widgets/text-widgets.js
@@ -1,5 +1,9 @@
 /* global tinymce, switchEditors */
 /* eslint consistent-this: [ "error", "control" ] */
+
+/**
+ * @namespace wp.textWidgets
+ */
 wp.textWidgets = ( function( $ ) {
 	'use strict';
 
@@ -8,14 +12,7 @@ wp.textWidgets = ( function( $ ) {
 		idBases: [ 'text' ]
 	};
 
-	/**
-	 * Text widget control.
-	 *
-	 * @class TextWidgetControl
-	 * @constructor
-	 * @abstract
-	 */
-	component.TextWidgetControl = Backbone.View.extend({
+	component.TextWidgetControl = Backbone.View.extend(/** @lends wp.textWidgets.TextWidgetControl.prototype */{
 
 		/**
 		 * View events.
@@ -25,11 +22,16 @@ wp.textWidgets = ( function( $ ) {
 		events: {},
 
 		/**
-		 * Initialize.
+		 * Text widget control.
+		 *
+		 * @constructs wp.textWidgets.TextWidgetControl
+		 * @augments   Backbone.View
+		 * @abstract
 		 *
 		 * @param {Object} options - Options.
 		 * @param {jQuery} options.el - Control field container element.
 		 * @param {jQuery} options.syncContainer - Container element where fields are synced for the server.
+		 *
 		 * @returns {void}
 		 */
 		initialize: function initialize( options ) {
@@ -357,6 +359,8 @@ wp.textWidgets = ( function( $ ) {
 	/**
 	 * Mapping of widget ID to instances of TextWidgetControl subclasses.
 	 *
+	 * @memberOf wp.textWidgets
+	 *
 	 * @type {Object.<string, wp.textWidgets.TextWidgetControl>}
 	 */
 	component.widgetControls = {};
@@ -364,8 +368,11 @@ wp.textWidgets = ( function( $ ) {
 	/**
 	 * Handle widget being added or initialized for the first time at the widget-added event.
 	 *
+	 * @memberOf wp.textWidgets
+	 *
 	 * @param {jQuery.Event} event - Event.
 	 * @param {jQuery}       widgetContainer - Widget container element.
+	 *
 	 * @returns {void}
 	 */
 	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
@@ -429,6 +436,8 @@ wp.textWidgets = ( function( $ ) {
 	/**
 	 * Setup widget in accessibility mode.
 	 *
+	 * @memberOf wp.textWidgets
+	 *
 	 * @returns {void}
 	 */
 	component.setupAccessibleMode = function setupAccessibleMode() {
@@ -467,6 +476,8 @@ wp.textWidgets = ( function( $ ) {
 	 * the widgets admin screen and also via the 'widget-synced' event when making
 	 * a change to a widget in the customizer.
 	 *
+	 * @memberOf wp.textWidgets
+	 *
 	 * @param {jQuery.Event} event - Event.
 	 * @param {jQuery}       widgetContainer - Widget container element.
 	 * @returns {void}
@@ -496,6 +507,8 @@ wp.textWidgets = ( function( $ ) {
 	 * When WordPress enqueues this script, it should have an inline script
 	 * attached which calls wp.textWidgets.init().
 	 *
+	 * @memberOf wp.textWidgets
+	 *
 	 * @returns {void}
 	 */
 	component.init = function init() {
diff --git a/wp-includes/js/comment-reply.js b/wp-includes/js/comment-reply.js
index 55a4e9c9b0..76c5fba700 100644
--- a/wp-includes/js/comment-reply.js
+++ b/wp-includes/js/comment-reply.js
@@ -3,6 +3,8 @@
  *
  * @since 2.7.0
  *
+ * @namespace addComment
+ *
  * @type {Object}
  */
 var addComment;
@@ -50,6 +52,8 @@ addComment = ( function( window ) {
 	 *
 	 * @since 5.0.0
 	 *
+	 * @memberOf addComment
+	 *
 	 * @param {HTMLElement} context The parent DOM element to search for links.
 	 */
 	function init( context ) {
@@ -199,6 +203,8 @@ addComment = ( function( window ) {
 	 *
 	 * @since 2.7.0
 	 *
+	 * @memberOf addComment
+	 *
 	 * @param {String} addBelowId HTML ID of element the form follows.
 	 * @param {String} commentId  Database ID of comment being replied to.
 	 * @param {String} respondId  HTML ID of 'respond' element.
diff --git a/wp-includes/js/customize-base.js b/wp-includes/js/customize-base.js
index 628d267456..374f50300e 100644
--- a/wp-includes/js/customize-base.js
+++ b/wp-includes/js/customize-base.js
@@ -908,7 +908,7 @@ window.wp = window.wp || {};
 	/**
 	 * Get all customize settings.
 	 *
-	 * @memberOf wp.customize
+	 * @alias wp.customize.get
 	 *
 	 * @return {object}
 	 */
@@ -934,7 +934,8 @@ window.wp = window.wp || {};
 	 *
 	 * @since 4.7.0
 	 * @access public
-	 * @memberOf wp.customize.utils
+	 *
+	 * @alias wp.customize.utils.parseQueryString
 	 *
 	 * @param {string} queryString Query string.
 	 * @returns {object} Parsed query string.
diff --git a/wp-includes/js/mediaelement/wp-mediaelement.js b/wp-includes/js/mediaelement/wp-mediaelement.js
index 058213065a..f43c2b8365 100644
--- a/wp-includes/js/mediaelement/wp-mediaelement.js
+++ b/wp-includes/js/mediaelement/wp-mediaelement.js
@@ -12,6 +12,8 @@
 		 * Ensures media elements that have already been initialized won't be
 		 * processed again.
 		 *
+		 * @memberOf wp.mediaelement
+		 *
 		 * @since 4.4.0
 		 *
 		 * @returns {void}
@@ -56,6 +58,10 @@
 		};
 	}
 
+	/**
+	 * @namespace wp.mediaelement
+	 * @memberOf wp
+	 */
 	window.wp.mediaelement = new wpMediaElement();
 
 	$( window.wp.mediaelement.initialize );
diff --git a/wp-includes/js/mediaelement/wp-playlist.js b/wp-includes/js/mediaelement/wp-playlist.js
index 590da2e743..19cab125ba 100644
--- a/wp-includes/js/mediaelement/wp-playlist.js
+++ b/wp-includes/js/mediaelement/wp-playlist.js
@@ -3,7 +3,13 @@
 (function ($, _, Backbone) {
 	'use strict';
 
-	var WPPlaylistView = Backbone.View.extend({
+	var WPPlaylistView = Backbone.View.extend(/** @lends WPPlaylistView.prototype */{
+		/**
+		 * @constructs
+		 *
+		 * @param {Object} options          The options to create this playlist view with.
+		 * @param {Object} options.metadata The metadata
+		 */
 		initialize : function (options) {
 			this.index = 0;
 			this.settings = {};
@@ -59,9 +65,7 @@
 				this.settings.success = this.bindResetPlayer;
 			}
 
-			/**
-			 * This is also our bridge to the outside world
-			 */
+			// This is also our bridge to the outside world.
 			this.player = new MediaElementPlayer( this.playerNode.get(0), this.settings );
 		},
 
diff --git a/wp-includes/js/plupload/wp-plupload.js b/wp-includes/js/plupload/wp-plupload.js
index 39df22e0ad..1e947b09a7 100644
--- a/wp-includes/js/plupload/wp-plupload.js
+++ b/wp-includes/js/plupload/wp-plupload.js
@@ -1,5 +1,8 @@
 /* global pluploadL10n, plupload, _wpPluploadSettings */
 
+/**
+ * @namespace wp
+ */
 window.wp = window.wp || {};
 
 ( function( exports, $ ) {
@@ -16,6 +19,10 @@ window.wp = window.wp || {};
 	 * This object bridges the Plupload API to integrate uploads into the
 	 * WordPress back end and the WordPress media experience.
 	 *
+	 * @class
+	 * @memberOf wp
+	 * @alias wp.Uploader
+	 *
 	 * @param {object} options           The options passed to the new plupload instance.
 	 * @param {object} options.container The id of uploader container.
 	 * @param {object} options.browser   The id of button to trigger the file select.
diff --git a/wp-includes/js/wp-api.js b/wp-includes/js/wp-api.js
index 0f5135f3c9..d796ddc475 100644
--- a/wp-includes/js/wp-api.js
+++ b/wp-includes/js/wp-api.js
@@ -1161,7 +1161,7 @@
 					 * have to retrieve it again for this session. Then, construct the models and collections based
 					 * on the schema model data.
 					 *
-					 * @callback
+					 * @ignore
 					 */
 					success: function( newSchemaModel ) {
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4b93f48144..87fd7a4f12 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42402';
+$wp_version = '5.0-alpha-42403';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.