JavaScript事件监听完整实例
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>JavaScript事件监听完整实例(含注释)</title>
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<meta name="generator" content="editplus" />
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<meta name="Keywords" content="AddEventHandler,addEventListener,attachEvent,appendChild,getElementsByTagNamem,createElement,createTextNode,IE 与FF兼容性,JavaScript事件,JavaScript监听">
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<script type="text/javascript">
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var oEventUtil = new Object();
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oEventUtil.AddEventHandler = function(oTarget,sEventType,fnHandler)
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{
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//IE和FF的兼容性处理
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//如果是FF
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if(oTarget.addEventListener){
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oTarget.addEventListener(sEventType,fnHandler,false);
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}
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//如果是IE
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else if(oTarget.attachEvent){
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oTarget.attachEvent('on'+sEventType,fnHandler);
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} else{
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oTarget['on'+sEventType] = fnHandler;
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}
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};
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//定义oT事件函数
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var oT = function()
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{
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var oEvent = arguments[0];
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var oTarget = oEvent.target || oEvent.srcElement;
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alert(oTarget.tagName+'\n'+oTarget.innerHTML+'\n'+oEvent.type);
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}
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//页面加载时制造36个p,每个p里面显示的文字是Line + i
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window.onload = function(){
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for(var i = 0;i<36;i++)
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{
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var oP = document.createElement('p');
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var oText = document.createTextNode('Line'+i);
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oP.appendChild(oText);
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//在文档的第一个div里面添加这些p
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document.getElementsByTagName('div')[0].appendChild(oP);
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}
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//找到所有的p,并添加click的事件监听
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var oPList = document.getElementsByTagName('p');
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for(var i = 0;i<oPList.length;i++)
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{
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oEventUtil.AddEventHandler(oPList[i],'click',oT);
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}
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}
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</script>
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<style type="text/css">
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*
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{
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margin:0px;
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padding:0px;
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}
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div
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{
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margin:10px auto;
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width:690px;
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border:solid 1px #000;
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min-height:600px;
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padding:20px;
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}
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div p
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{
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padding:4px;
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margin-left:4px;
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margin-top:4px;
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border:solid 1px blue;
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width:100px;
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float:left;
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}
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pre{
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margin:20px 0 0 0;
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}
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a
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{
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text-indent:4em;
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}
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</style>
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</head>
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<body >
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<div>
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</div>
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</body>
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</html>
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可以歇歇了!!