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<li><b>delay</b> : Number<p class="sub-desc">The number of milliseconds to delay the invocation of the handler after the event fires.</p></li><li><b>single</b> : Boolean<p class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</p></li><li><b>buffer</b> : Number<p class="sub-desc">Causes the handler to be scheduled to run in an <a ext:cls="Ext.util.DelayedTask" href="output/Ext.util.DelayedTask.html">Ext.util.DelayedTask</a> delayedby the specified number of milliseconds. If the event fires again within that time, the originalhandler is <em>not</em> invoked, but the new handler is scheduled in its place.</p></li></ul><br><p><b>Combining Options</b><br>Using the options argument, it is possible to combine different types of listeners:<br><br>A normalized, delayed, one-time listener that auto stops the event and passes a custom argument (forumId)<pre><code>el.on(<em>'click'</em>, <b>this</b>.onClick, <b>this</b>, { single: true, delay: 100, forumId: 4});</code></pre><p><b>Attaching multiple handlers in 1 call</b><br>The method also allows for a single argument to be passed which is a config object containing propertieswhich specify multiple handlers.<p><pre><code>foo.on({ <em>'click'</em> : { fn: <b>this</b>.onClick, scope: <b>this</b>, delay: 100 }, <em>'mouseover'</em> : { fn: <b>this</b>.onMouseOver, scope: <b>this</b> }, <em>'mouseout'</em> : { fn: <b>this</b>.onMouseOut, scope: <b>this</b> }});</code></pre><p>Or a shorthand syntax:<br><pre><code>foo.on({ <em>'click'</em> : <b>this</b>.onClick, <em>'mouseover'</em> : <b>this</b>.onMouseOver, <em>'mouseout'</em> : <b>this</b>.onMouseOut, scope: <b>this</b>});</code></pre></div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
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<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addListener" href="output/Ext.util.Observable.html#addListener">Observable</a></td>
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<a id="Ext.Ajax-fireEvent"></a>
<b>fireEvent</b>( <code>String eventName</code>, <code>Object... args</code> ) : Boolean <div class="mdesc">
<div class="short">Fires the specified event with the passed parameters (minus the event name).</div>
<div class="long">
Fires the specified event with the passed parameters (minus the event name). <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc"></div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true</div></li>
</ul>
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<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#fireEvent" href="output/Ext.util.Observable.html#fireEvent">Observable</a></td>
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<a id="Ext.Ajax-hasListener"></a>
<b>hasListener</b>( <code>String eventName</code> ) : Boolean <div class="mdesc">
<div class="short">Checks to see if this object has any listeners for a specified event</div>
<div class="long">
Checks to see if this object has any listeners for a specified event <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li>
</ul>
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<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#hasListener" href="output/Ext.util.Observable.html#hasListener">Observable</a></td>
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<a id="Ext.Ajax-isLoading"></a>
<b>isLoading</b>( <span class="optional" title="Optional">[<code>Number transactionId</code>]</span> ) : Boolean <div class="mdesc">
<div class="short">Determine whether this object has a request outstanding.</div>
<div class="long">
Determine whether this object has a request outstanding. <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>transactionId</code> : Number<div class="sub-desc">(Optional) defaults to the last transaction</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>Boolean</code><div class="sub-desc">True if there is an outstanding request.</div></li>
</ul>
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<td class="msource"><a ext:cls="Ext.data.Connection" ext:member="#isLoading" href="output/Ext.data.Connection.html#isLoading">Connection</a></td>
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<a id="Ext.Ajax-on"></a>
<b>on</b>( <code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Object options</code>]</span> ) : void <div class="mdesc">
<div class="short">Appends an event handler to this element (shorthand for addListener)</div>
<div class="long">
Appends an event handler to this element (shorthand for addListener) <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope in which to execute the handlerfunction. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional)</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
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<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#on" href="output/Ext.util.Observable.html#on">Observable</a></td>
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<a id="Ext.Ajax-purgeListeners"></a>
<b>purgeListeners</b>() : void <div class="mdesc">
<div class="short">Removes all listeners for this object</div>
<div class="long">
Removes all listeners for this object <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li>None.</li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
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<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#purgeListeners" href="output/Ext.util.Observable.html#purgeListeners">Observable</a></td>
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<a id="Ext.Ajax-relayEvents"></a>
<b>relayEvents</b>( <code>Object o</code>, <code>Array events</code> ) : void <div class="mdesc">
<div class="short">Relays selected events from this Observable to a different Observable</div>
<div class="long">
Relays selected events from this Observable to a different Observable <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>o</code> : Object<div class="sub-desc">The Observable to relay events to</div></li><li><code>events</code> : Array<div class="sub-desc">Array of event names to relay</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
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<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#relayEvents" href="output/Ext.util.Observable.html#relayEvents">Observable</a></td>
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<a id="Ext.Ajax-removeListener"></a>
<b>removeListener</b>( <code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span> ) : void <div class="mdesc">
<div class="short">Removes a listener</div>
<div class="long">
Removes a listener <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (this object) for the handler</div></li> </ul>
<strong>Returns:</strong>
<ul>
<li><code>void</code></li>
</ul>
</div>
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<td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#removeListener" href="output/Ext.util.Observable.html#removeListener">Observable</a></td>
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<a id="Ext.Ajax-request"></a>
<b>request</b>( <span class="optional" title="Optional">[<code>Object options</code>]</span> ) : Number <div class="mdesc">
<div class="short">Sends an HTTP request to a remote server.Important: Ajax server requests are asynchronous, and this call willreturn...</div>
<div class="long">
<p>Sends an HTTP request to a remote server.</p><p><b>Important:</b> Ajax server requests are asynchronous, and this call willreturn before the response has been recieved. Process any returned datain a callback function. <div class="mdetail-params">
<strong>Parameters:</strong>
<ul><li><code>options</code> : Object<div class="sub-desc">An object which may contain the following properties:<ul><li><b>url</b> : String (Optional)<div class="sub-desc">The URL towhich to send the request. Defaults to configured URL</div></li><li><b>params</b> : Object/String/Function (Optional)<div class="sub-desc">An object containing properties which are used as parameters to therequest, a url encoded string or a function to call to get either.</div></li><li><b>method</b> : String (Optional)<div class="sub-desc">The HTTP method to usefor the request. Defaults to the configured method, or if no method was configured,
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