<!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>練習</title>
<style>
*{font-size:12px}
dl{width:400px;height:30px;border:1px?solid?#EEE;line-height:30px;margin:40px?auto;}
dd,dt{float:left;margin:0?10px}
dt{margin-left:15px}
dl?dd?a{display:block;padding:0px?20px;text-decoration:none;position:relative}
dl?dd?a:hover{color:red;text-decoration:underline;}
.selected{background-color:blue;}
</style>
<script>
var?dd=document.getElementsByTagName("dd")
function?app(){
for(i=0;i<dd.length;i++){?
dd[0].className="selected";
dd[1].className=""
dd[2].className=""
}
}
function?bpp(){
for(i=0;i<dd.length;i++){
dd[0].className="";
dd[1].className="selected"
dd[2].className=""
}
}
function?cpp(){
for(i=0;i<dd.length;i++){
dd[0].className="";
dd[1].className=""
dd[2].className="selected"
}
}?
</script>
</head>
<body>
<dl>
<dt>配送類型：</dt>
????????<dd?class="selected"?onclick="app()"><a?href="#">全部</a></dd>
????????<dd?onclick="bpp()"><a?href="#">京東配送</a></dd>
????????<dd?onclick="cpp()"><a?href="#">第三方配送</a></dd>
</dl>
</body>
</html>這樣寫很麻煩，能不能簡化成簡單的寫法，就是js改寫成一個函數，該怎樣寫？
函數修改問題
qq_小白_7
2015-11-04 12:23:29
