隔行变色

<!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>
<script>
window.onload=function()
{
var aLi=document.getElementsByTagName("li");

for(var i=0;i<aLi.length;i++)
{
if(i%2==0){
aLi[i].style.background="#ccc";
}
else{
aLi[i].style.background="";

}

}

}

</script>
</head>

<body>
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</body>
</html>

posted @ 2016-01-31 16:03  天--安静  阅读(108)  评论(0编辑  收藏  举报