javascript for in 的用处 

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>javascript for in  的用处</title>
<script type="text/javascript" src="jquery-1.4.2.min.js"></script>
<style type="text/css">

*{ padding:0; margin:0}
body{overflow: hidden;}

</style>
</head>

<body>

<script type="text/javascript">
function setCss(ele,val){
        var str ="";
        for( var i in val){ //遍历对象
            str += ";" + i +":" +val[i];
        }
        ele.style.cssText = str;
}
setCss(document.body,{"overflow":"hidden","height":"100px"})
</script>
</body>
</html>

 

posted @ 2013-07-08 01:21  -恩恩-  阅读(327)  评论(0)    收藏  举报