ther be true or false." href="../../Bool.html">Bool</a></code></h3><div class="doc"><p>Checks whether an event listener is registered with this EventDispatcher
object or any of its ancestors for the specified event type. This method
returns <code><a href="../../Bool.html">true</a></code> if an event listener is triggered during any
phase of the event flow when an event of the specified type is dispatched
to this EventDispatcher object or any of its descendants.</p>
<p>The difference between the <code>hasEve