knowhow-server/public/js/lib/angular-1.2.9/docs/partials/api/angular.identity.html

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<a href="http://github.com/angular/angular.js/tree/v1.2.9/src/Angular.js#L367" 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/Angular.js" class="improve-docs btn btn-primary"><i class="icon-edit"> </i> Improve this doc</a><h1><code ng:non-bindable="">angular.identity</code>
<div><span class="hint">API in module <code ng:non-bindable="">ng</code>
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<div><h2 id="description">Description</h2>
<div class="description"><div class="angular-identity-page"><p>A function that returns its first argument. This function is useful when writing code in the
functional style.</p>
<p>   <pre class="prettyprint linenums">
     function transformer(transformationFn, value) {
       return (transformationFn || angular.identity)(value);
     };
   </pre>
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<h2 id="usage">Usage</h2>
<div class="usage"><pre class="prettyprint linenums">angular.identity();</pre>
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