<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<title>getStyle</title>
<style>
#div1{width:100px;height:200px;background:yellow;}
</style>
<script>
window.onload = function (){
var oDiv = document.getElementById('div1');
function css(obj,name,value){
if(arguments.length == 2 ){
if(document.all){
return obj.currentStyle[name];
}else{
return getComputedStyle(obj,false)[name];
}
}else{
return obj.style[name] = value;
}
}
css(oDiv,'width','1000px');
}
</script>
</head>
<body>
<div id="div1">
</div>
</body>
</html>
