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docs(ivy): update the API docs instructions to add details about removing attributes (#22268) 

PR Close #22268
This commit is contained in:
Victor Berchet 2018-02-16 17:27:19 -08:00
parent c9ebd60435
commit 31c5c1060a
1 changed files with 11 additions and 11 deletions
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22
packages/core/src/render3/instructions.ts
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@ -634,23 +634,23 @@ export function elementEnd() {
} }
/** /**
* Update an attribute on an Element. This is used with a `bind` instruction. * Updates the value of removes an attribute on an Element.
* *
* @param index The index of the element to update in the data array * @param number index The index of the element in the data array
* @param attrName Name of attribute. Because it is going to DOM, this is not subject to * @param string name The name of the attribute.
* renaming as port of minification. * @param any value The attribute is removed when value is `null` or `undefined`.
* @param value Value to write. This value will go through stringification. * Otherwise the attribute value is set to the stringified value.
*/ */
export function elementAttribute(index: number, attrName: string, value: any): void { export function elementAttribute(index: number, name: string, value: any): void {
if (value !== NO_CHANGE) { if (value !== NO_CHANGE) {
const element = data[index] as LElementNode; const element: LElementNode = data[index];
if (value == null) { if (value == null) {
isProceduralRenderer(renderer) ? renderer.removeAttribute(element.native, attrName) : isProceduralRenderer(renderer) ? renderer.removeAttribute(element.native, name) :
element.native.removeAttribute(attrName); element.native.removeAttribute(name);
} else { } else {
isProceduralRenderer(renderer) ? isProceduralRenderer(renderer) ?
renderer.setAttribute(element.native, attrName, stringify(value)) : renderer.setAttribute(element.native, name, stringify(value)) :
element.native.setAttribute(attrName, stringify(value)); element.native.setAttribute(name, stringify(value));
} }
} }
} }