angular.scope.$onEval.html

<h1>angular.scope.$onEval</h1>
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<h2>Description</h2>
<p>Evaluates the <code>expr</code> expression in the context of the current scope during each
<a href="#!angular.scope.$eval"><code>eval cycle</code></a>.</p>

<h2>Example</h2><div ng:non-bindable><pre class="brush: js; html-script: true;">
         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>
<h2>Usage</h2>
<tt ng:non-bindable>
angular.scope.$onEval(priority, expr, exceptionHandler);
</tt>
<h3>Parameters</h3>
<ul>
    <li><tt>priority</tt> –
      <tt>&#123;number&#125;</tt>
      <tt>[0]</tt>
      – Execution priority. Lower priority numbers get executed first.</li>
    <li><tt>expr</tt> –
      <tt>&#123;string|function()&#125;</tt>
      <tt></tt>
      – Angular expression or function to be executed.</li>
    <li><tt>exceptionHandler</tt> –
      <tt>&#123;(function()|DOMElement)=&#125;</tt>
      <tt>[angular.service.$exceptionHandler]</tt>
      – Handler
    function to call or DOM element to decorate when an exception occurs.</li>
  </ul>