62 lines
3.1 KiB
HTML
Executable file
62 lines
3.1 KiB
HTML
Executable file
<a href="http://github.com/angular/angular.js/tree/v1.2.0rc1/src/ng/directive/input.js#L1165" class="view-source btn btn-action"><i class="icon-zoom-in"> </i> View source</a><a href="http://github.com/angular/angular.js/edit/master/src/ng/directive/input.js" class="improve-docs btn btn-primary"><i class="icon-edit"> </i> Improve this doc</a><h1><code ng:non-bindable="">ngChange</code>
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<div><span class="hint">directive in module <code ng:non-bindable="">ng</code>
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</span>
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</div>
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</h1>
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<div><h2 id="Description">Description</h2>
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<div class="description"><div class="ng-directive-page ng-directive-ngchange-page"><p>Evaluate given expression when user changes the input.
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The expression is not evaluated when the value change is coming from the model.</p>
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<p>Note, this directive requires <code>ngModel</code> to be present.</p>
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</div></div>
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<h2 id="Usage">Usage</h2>
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<div class="usage"><p>This directive can be used as custom element, but be aware of <a href="guide/ie">IE restrictions</a>.</p>as element:<pre class="prettyprint linenums"><ng-change>
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</ng-change></pre>
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</div>
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<h2 id="Example">Example</h2>
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<div class="example"><div class="ng-directive-page ng-directive-ngchange-page"><h4>Source</h2>
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<div source-edit="" source-edit-deps="angular.js script.js" source-edit-html="index.html-47" source-edit-css="" source-edit-js="script.js-46" source-edit-json="" source-edit-unit="" source-edit-scenario="scenario.js-48"></div>
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<div class="tabbable"><div class="tab-pane" title="index.html">
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<pre class="prettyprint linenums" ng-set-text="index.html-47" ng-html-wrap=" angular.js script.js"></pre>
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<script type="text/ng-template" id="index.html-47">
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<div ng-controller="Controller">
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<input type="checkbox" ng-model="confirmed" ng-change="change()" id="ng-change-example1" />
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<input type="checkbox" ng-model="confirmed" id="ng-change-example2" />
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<label for="ng-change-example2">Confirmed</label><br />
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debug = {{confirmed}}<br />
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counter = {{counter}}
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</div>
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</script>
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</div>
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<div class="tab-pane" title="script.js">
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<pre class="prettyprint linenums" ng-set-text="script.js-46"></pre>
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<script type="text/ng-template" id="script.js-46">
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function Controller($scope) {
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$scope.counter = 0;
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$scope.change = function() {
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$scope.counter++;
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};
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}
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</script>
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</div>
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<div class="tab-pane" title="End to end test">
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<pre class="prettyprint linenums" ng-set-text="scenario.js-48"></pre>
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<script type="text/ng-template" id="scenario.js-48">
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it('should evaluate the expression if changing from view', function() {
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expect(binding('counter')).toEqual('0');
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element('#ng-change-example1').click();
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expect(binding('counter')).toEqual('1');
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expect(binding('confirmed')).toEqual('true');
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});
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it('should not evaluate the expression if changing from model', function() {
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element('#ng-change-example2').click();
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expect(binding('counter')).toEqual('0');
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expect(binding('confirmed')).toEqual('true');
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});
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</script>
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</div>
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</div><h2>Demo</h4>
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<div class="well doc-example-live animate-container" ng-embed-app="" ng-set-html="index.html-47" ng-eval-javascript="script.js-46"></div>
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</div></div>
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</div>
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