="../../Bool.html">Bool</a></code></h3><div class="doc"><p>Checks whether the EventDispatcher object has any listeners registered for
a specific type of event. This allows you to determine where an
EventDispatcher object has altered handling of an event type in the event
flow hierarchy. To determine whether a specific event type actually
triggers an event listener, use <code>willTrigger()</code>.</p>
<p>The difference between <code>hasEventListener()</code> and
<code>willTrigger()</code> is that <code>hasEv