angular-cn/public/docs/js/latest/api/forms/NgRequiredValidator-class.jade

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p.location-badge.
exported from <a href='../forms'>angular2/forms</a>
defined in <a href="https://github.com/angular/angular/tree/2.0.0-alpha.36/modules/angular2/src/forms/directives/validators.ts#L11-L19">angular2/src/forms/directives/validators.ts (line 11)</a>
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This module is used for handling user input, by defining and building a <a href='ControlGroup-class.html'><code>ControlGroup</code></a> that
consists of
<a href='Control-class.html'><code>Control</code></a> objects, and mapping them onto the DOM. <a href='Control-class.html'><code>Control</code></a> objects can then be used
to read information
from the form DOM elements.
This module is not included in the `angular2` module; you must import the forms module
explicitly.
.l-main-section
h2 Annotations
.l-sub-section
h3.annotation Directive
pre.prettyprint
code.
@Directive({
selector: &#39;[required][ng-control],[required][ng-form-control],[required][ng-model]&#39;,
bindings: [requiredValidatorBinding]
})
.l-main-section
h2 Members
.l-sub-section
h3 validator
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