hasEventListener in javascript
<p>JavaScript doesn't have an <code>hasEventListener</code> function.  What can I use in its place?</p>

<p>I'm doing:</p>

<pre><code>someForm.addEventListener( "submit", _submitHandler, false );
</code></pre>

<p>And I have a "forms controller", which should test which forms have a listener for the submit event.</p>
