📄 ext.eventobject.html
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<!--Mock<link rel="stylesheet" type="text/css" href="http://localhost/ext/resources/css/ext-all.css" /><link rel="stylesheet" type="text/css" href="http://localhost/ext/doc/resources/docs.css"/><link rel="stylesheet" type="text/css" href="http://localhost/ext/doc/resources/style.css"/>--><style type="text/css"> body { overflow: scroll; } /** .mdesc .long { display: block; } */</style><!-- End Mock--><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><div class="body-wrap"> <div class="top-tools"> <a class="inner-link" href="#Ext.EventObject-props"><img src="/images/s.gif" class="item-icon icon-prop">Properties</a><a class="inner-link" href="#Ext.EventObject-methods"><img src="/images/s.gif" class="item-icon icon-method">Methods</a><a class="inner-link" href="#Ext.EventObject-events"><img src="/images/s.gif" class="item-icon icon-event">Events</a><a class="inner-link" href="#Ext.EventObject-configs"><img src="/images/s.gif" class="item-icon icon-config">Config Options</a><a class="bookmark" href="../docs/?class=Ext.EventObject"><img src="/images/s.gif" class="item-icon icon-fav">Direct Link</a> </div><h1>Class Ext.EventObject</h1> <table cellspacing="0"> <!-- <tr> <td class="label"> Package: </td> <td class="hd-info"> </td> </tr> --> <tr> <td class="label"> Defined In: </td> <td class="hd-info"> EventManager.js </td> </tr> <tr> <td class="label"> Class: </td> <td class="hd-info"> Ext.EventObject </td> </tr> <tr> <td class="label"> Extends: </td> <td class="hd-info"> Object </td> </tr> </table> <div class="description"> 为了方便操作,在你定义的事件句柄上传入事件对象(Event Object),
这个对象直接暴露了Yahoo! UI 事件功能。
同时也解决了自动null检查的不便。
举例:
<pre><code>
fu<>nction handleClick(e){ // e它不是一个标准的事件对象,而是Ext.EventObject
e.preventDefault();
var target = e.getTarget();
...
}
var myDiv = Ext.get("myDiv");
myDiv.on("click", handleClick);
//或者
Ext.EventManager.on("myDiv", 'click', handleClick);
Ext.EventManager.addListener("myDiv", 'click', handleClick);
</code></pre>
</div> <div class="hr"> </div> <a id="Ext.EventObject-configs"></a> <h2>配置项</h2> 这个类没有配置项。 <a id="Ext.EventObject-props"></a> <h2>公告属性</h2> <table cellspacing="0" class="member-table"> <tr> <th colspan="2"> 属性 </th> <th> 定义者 </th> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="BACKSPACE-activeItem"></a> <b> BACKSPACE: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="TAB-activeItem"></a> <b> TAB: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="RETURN-activeItem"></a> <b> RETURN: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="ENTER-activeItem"></a> <b> ENTER: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="SHIFT-activeItem"></a> <b> SHIFT: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="CONTROL-activeItem"></a> <b> CONTROL: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="ESC-activeItem"></a> <b> ESC: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="SPACE-activeItem"></a> <b> SPACE: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="PAGEUP-activeItem"></a> <b> PAGEUP: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="PAGEDOWN-activeItem"></a> <b> PAGEDOWN: </b> <div class="mdesc"> <div class="short"> 键码常量 </div> <div class="long"> 键码常量 </div> </div> </td> <td class="msource"> EventObject </td> </tr> <tr class="property-row inherited expandable"> <td class="micon"> <a class="exi" href="#expand"> </a> </td> <td class="sig"> <a id="END-activeItem"></a> <b> END: </b> <div class="mdesc"> <div class="short"> 键码常量
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