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Edit File: ngValue.html

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<header class="api-profile-header">
  <h1 class="api-profile-header-heading">ngValue</h1>
  <ol class="api-profile-header-structure naked-list step-list">
    
    <li>
      - directive in module <a href="api/ng">ng</a>
    </li>
  </ol>
</header>

<div class="api-profile-description">
  <p>Binds the given expression to the value of <code>&lt;option&gt;</code> or <a href="api/ng/input/input[radio]"><code>input[radio]</code></a>,
so that when the element is selected, the <a href="api/ng/directive/ngModel"><code>ngModel</code></a> of that element is set to
the bound value.</p>
<p><code>ngValue</code> is useful when dynamically generating lists of radio buttons using
<a href="api/ng/directive/ngRepeat"><code>ngRepeat</code></a>, as shown below.</p>
<p>Likewise, <code>ngValue</code> can be used to generate <code>&lt;option&gt;</code> elements for
the <a href="api/ng/directive/select"><code>select</code></a> element. In that case however, only strings are supported
for the <code>value</code>attribute, so the resulting <code>ngModel</code> will always be a string.
Support for <code>select</code> models with non-string values is available via <code>ngOptions</code>.</p>

</div>

<div>

<h2>Directive Info</h2>
  <ul>
    
    <li>This directive executes at priority level 0.</li>
  </ul>

<h2 id="usage">Usage</h2>
  <div class="usage">
  
    <ul>
    <li>as attribute:
        <pre><code>&lt;input&#10;  [ng-value=&quot;&quot;]&gt;&#10;...&#10;&lt;/input&gt;</code></pre>
      </li>
    
  </div>
  
<section class="api-section">
  <h3>Arguments</h3>

<table class="variables-matrix input-arguments">
  <thead>
    <tr>
      <th>Param</th>
      <th>Type</th>
      <th>Details</th>
    </tr>
  </thead>
  <tbody>
    
    <tr>
      <td>
        ngValue
        
        <div><em>(optional)</em></div>
      </td>
      <td>
        <a href="" class="label type-hint type-hint-string">string</a>
      </td>
      <td>
        <p>angular expression, whose value will be bound to the <code>value</code> attribute
  of the <code>input</code> element</p>

</td>
    </tr>
    
  </tbody>
</table>

</section>

<h2 id="example">Example</h2><p>

<div>
  <a ng-click="openPlunkr('examples/example-ngValue-directive')" class="btn pull-right">
    <i class="glyphicon glyphicon-edit">&nbsp;</i>
    Edit in Plunker</a>

<div class="runnable-example-file" 
      name="index.html"
      language="html"
      type="html">
      <pre><code>&lt;script&gt;&#10;   angular.module(&#39;valueExample&#39;, [])&#10;     .controller(&#39;ExampleController&#39;, [&#39;$scope&#39;, function($scope) {&#10;       $scope.names = [&#39;pizza&#39;, &#39;unicorns&#39;, &#39;robots&#39;];&#10;       $scope.my = { favorite: &#39;unicorns&#39; };&#10;     }]);&#10;&lt;/script&gt;&#10; &lt;form ng-controller=&quot;ExampleController&quot;&gt;&#10;   &lt;h2&gt;Which is your favorite?&lt;/h2&gt;&#10;     &lt;label ng-repeat=&quot;name in names&quot; for=&quot;{{name}}&quot;&gt;&#10;       {{name}}&#10;       &lt;input type=&quot;radio&quot;&#10;              ng-model=&quot;my.favorite&quot;&#10;              ng-value=&quot;name&quot;&#10;              id=&quot;{{name}}&quot;&#10;              name=&quot;favorite&quot;&gt;&#10;     &lt;/label&gt;&#10;   &lt;div&gt;You chose {{my.favorite}}&lt;/div&gt;&#10; &lt;/form&gt;</code></pre>
    </div>
  
    <div class="runnable-example-file" 
      name="protractor.js"
      type="protractor"
      language="js">
      <pre><code>var favorite = element(by.binding(&#39;my.favorite&#39;));&#10;&#10;it(&#39;should initialize to model&#39;, function() {&#10;  expect(favorite.getText()).toContain(&#39;unicorns&#39;);&#10;});&#10;it(&#39;should bind the values to the inputs&#39;, function() {&#10;  element.all(by.model(&#39;my.favorite&#39;)).get(0).click();&#10;  expect(favorite.getText()).toContain(&#39;pizza&#39;);&#10;});</code></pre>
    </div>

</p>

</div>