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+<h1><code ng:non-bindable="">ngChange</code>
+<span class="hint">(directive in module <code ng:non-bindable="">ng</code>
+)</span>
+</h1>
+<div><h2 id="Description">Description</h2>
+<div class="description"><p>Evaluate given expression when user changes the input.
+The expression is not evaluated when the value change is coming from the model.</p>
+
+<p>Note, this directive requires <code>ngModel</code> to be present.</p></div>
+<h2 id="Usage">Usage</h2>
+<div class="usage">as element (see <a href="guide/ie">IE restrictions</a>)<pre class="prettyprint linenums">&lt;ng-change&gt;
+&lt;/ng-change&gt;</pre>
+</div>
+<h2 id="Example">Example</h2>
+<div class="example"><h4>Source</h4>
+<div source-edit="" source-edit-deps="angular.js script.js" source-edit-html="index.html-159" source-edit-css="" source-edit-js="script.js-158" source-edit-unit="" source-edit-scenario="scenario.js-160"></div>
+<div class="tabbable"><div class="tab-pane" title="index.html">
+<pre class="prettyprint linenums" ng-set-text="index.html-159" ng-html-wrap=" angular.js script.js"></pre>
+<script type="text/ng-template" id="index.html-159">
+
+ <div ng-controller="Controller">
+ <input type="checkbox" ng-model="confirmed" ng-change="change()" id="ng-change-example1" />
+ <input type="checkbox" ng-model="confirmed" id="ng-change-example2" />
+ <label for="ng-change-example2">Confirmed</label><br />
+ debug = {{confirmed}}<br />
+ counter = {{counter}}
+ </div>
+</script>
+</div>
+<div class="tab-pane" title="script.js">
+<pre class="prettyprint linenums" ng-set-text="script.js-158"></pre>
+<script type="text/ng-template" id="script.js-158">
+ function Controller($scope) {
+ $scope.counter = 0;
+ $scope.change = function() {
+ $scope.counter++;
+ };
+ }
+ </script>
+</div>
+<div class="tab-pane" title="End to end test">
+<pre class="prettyprint linenums" ng-set-text="scenario.js-160"></pre>
+<script type="text/ng-template" id="scenario.js-160">
+ it('should evaluate the expression if changing from view', function() {
+ expect(binding('counter')).toEqual('0');
+ element('#ng-change-example1').click();
+ expect(binding('counter')).toEqual('1');
+ expect(binding('confirmed')).toEqual('true');
+ });
+
+ it('should not evaluate the expression if changing from model', function() {
+ element('#ng-change-example2').click();
+ expect(binding('counter')).toEqual('0');
+ expect(binding('confirmed')).toEqual('true');
+ });
+</script>
+</div>
+</div><h4>Demo</h4>
+<div class="well doc-example-live" ng-embed-app="" ng-set-html="index.html-159" ng-eval-javascript="script.js-158"></div></div>
+</div>