<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="demo.aspx.cs" Inherits="Rt4.demo" %><!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 runat="server">
<script type="text/javascript" language="javascript">
var a=document.getElementById("a");
a.href="http://www.google.cn";
</script>
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<a id="a">fff</a>
</div>
</form>
</body>
</html>
想通过javascript改变href的值,提示脚本错误getElementById中对象为空或不存在
<script type="text/javascript" language="javascript">
var a=document.getElementById("a");
a.href="http://www.google.cn";
</script>
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<a id="a">fff</a>
</div>
</form>
</body>
</html>
想通过javascript改变href的值,提示脚本错误getElementById中对象为空或不存在
用个规范点的。。
</head>
<body>
<form id="form1" runat="server">
<div>
<a id="a">fff </a>
</div>
<script type="text/javascript" language="javascript">
var a=document.getElementById("a");
a.href="http://www.google.cn";
</script>
</form>
</body>
</html>