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gehangbianse.html
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gehangbianse.html
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<!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=utf-8" />
<title>无标题文档</title>
<script>
function getByclass(oparent,sclass){
var aResult=[];
var aEle=oparent.getElementsByTagName('*');
for(var i=0;i<aEle.length;i++){
if(aEle[i].className==sclass){
aResult.push(aEle[i]);
}
};
return aResult;
};
window.onload=function()
{
var oUl=document.getElementById('ul1');
var aBox=getByclass(oUl,'box');
for(var i=0;i<aBox.length;i++){
aBox[i].style.background='yellow';
};
};
</script>
</head>
<body>
<ul id="ul1">
<li class="box"></li>
<li></li>
<li class="box"></li>
<li></li>
<li class="box"></li>
</ul>
</body>
</html>