日期:2014-05-16  浏览次数:20402 次

js实现Table隔行变色,支持鼠标经过,标题行处理

js实现Table隔行变色,支持鼠标经过,标题行处理,兼容IE和FF

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
.tdFirstColor {
	background-color: #C00;
}
.tdSecondColor {
	background-color: #33F;
}
.tdOverColor {
	background-color: #F90;
}
.thColor{
	background-color:#666;
}
</style>
<script language="javascript" type="text/javascript">
	if(document.all){
		//IE
		document.attachEvent("onreadystatechange",function(){
				if(document.readyState=="complete"){
					setTableStyle("tbFirst","tdFirstColor","tdSecondColor","tdOverColor",true,"thColor");
				}
			},false);
	}else{
		//FF
		document.addEventListener("DOMContentLoaded",function(){
				setTableStyle("tbFirst","tdFirstColor","tdSecondColor","tdOverColor",true,"thColor");
			},false);
	}
	
	
	function setTableStyle(tableId,firstClass,secondClass,overClass,isOver,headClass){
		var tb=document.getElementById(tableId);
		for(i=0;i<tb.rows.length;i++){
			tb.rows[i].className=headClass;
			if(i%2==0){
				if(tb.rows[i].cells[0].tagName=="TD")
					tb.rows[i].className=firstClass;
			}
			else{
				if(tb.rows[i].cells[0].tagName=="TD")
					tb.rows[i].className=secondClass;
			}
			if(isOver && tb.rows[i].cells[0].tagName=="TD"){
				var orgClassName;
				if(document.all){
					tb.rows[i].onmouseover=(function(){
						return function(){
							orgClassName=this.className;
							this.className=overClass;
						}
					})();
					tb.rows[i].onmouseout=(function(){
						return function(){
							this.className=orgClassName
						};
					})();
				}
				else{
					
					tb.rows[i].addEventListener("mouseover",function(){
						orgClassName=this.className
						this.className=overClass;
						},false);
					tb.rows[i].addEventListener("mouseout",function(){
						this.className=orgClassName;
						},false);
				}
			}
		}
	};
</script>

</head>

<body>
<table id="tbFirst" width="760" border="1" cellpadding="5" cellspacing="0">
  <tr>
    <th>&nbsp;</th>
    <th>&nbsp;</th>
    <th>&nbsp;</th>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <th>&nbsp;</th>
    <th>&nbsp;</th>
    <th>&nbsp;</th>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
  </tr>
</table>
</body>
</html>

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