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