angular.directive.ng:change.html

<h1>angular.directive.ng:change</h1>
<fieldset class="workInProgress"><legend>Work in Progress</legend>
This page is currently being revised. It might be incomplete or contain inaccuracies.</fieldset>
<h2>Description</h2>
<p>The directive executes an expression whenever the input widget changes.</p><h2>Usage</h2>
<pre class="brush: js; html-script: true;">&lt;INPUT ng:change="expression"&gt;
   ...
&lt;/INPUT&gt;</pre>
<h3>Parameters</h3>
<ul class="parameters"><li><code ng:non-bindable="">expression – {expression} – </code>
to execute.</li>
</ul>
<h2>Example</h2>
<doc:example><doc:source>&lt;div ng:init="checkboxCount=0; textCount=0"&gt;&lt;/div&gt;
&lt;input type="text" name="text" ng:change="textCount = 1 + textCount"&gt;
   changeCount {{textCount}}&lt;br/&gt;
&lt;input type="checkbox" name="checkbox" ng:change="checkboxCount = 1 + checkboxCount"&gt;
   changeCount {{checkboxCount}}&lt;br/&gt;</doc:source>
<doc:scenario>it('should check ng:change', function(){
  expect(binding('textCount')).toBe('0');
  expect(binding('checkboxCount')).toBe('0');
  
  using('.doc-example-live').input('text').enter('abc');
  expect(binding('textCount')).toBe('1');
  expect(binding('checkboxCount')).toBe('0');
  
  
  using('.doc-example-live').input('checkbox').check();
  expect(binding('textCount')).toBe('1');
  expect(binding('checkboxCount')).toBe('1');
});</doc:scenario>
</doc:example>