angular.scope.$onEval.html

<h1>angular.scope.$onEval</h1>
<div class="angular-scope-oneval"><fieldset class="workInProgress"><legend>Work in Progress</legend>
This page is currently being revised. It might be incomplete or contain inaccuracies.</fieldset>
<h2>Description</h2>
<div class="description"><p>Evaluates the <code>expr</code> expression in the context of the current scope during each
<a href="#!/api/angular.scope.$eval"><code>eval cycle</code></a>.</p>

<h3>Example</h3><div ng:non-bindable><pre class="brush: js;">
         var scope = angular.scope();
         scope.counter = 0;
         scope.$onEval('counter = counter + 1');
         expect(scope.counter).toEqual(0);
         scope.$eval();
         expect(scope.counter).toEqual(1);
       </pre></div></div>
<h2>Usage</h2>
<div class="usage"><div ng:non-bindable=""><pre class="brush: js; html-script: true;">angular.scope.$onEval(priority, expr[, exceptionHandler]);</pre>
</div>
<h3>Parameters</h3>
<ul class="parameters"><li><code ng:non-bindable="">priority – {number} – </code>
<p>Execution priority. Lower priority numbers get executed first.</p></li>
<li><code ng:non-bindable="">expr – {string|function()} – </code>
<p>Angular expression or function to be executed.</p></li>
<li><code ng:non-bindable="">exceptionHandler<i>(optional=angular.service.$exceptionHandler)</i> – {(function()|DOMElement)} – </code>
<p>Handler
function to call or DOM element to decorate when an exception occurs.</p></li>
</ul>
</div>
</div>