<HTML>
<HEAD>
<TITLE>TEST</TITLE>
</HEAD>
<script type="text/javascript" language="javascript">
function bm()
{
document.f1.bm.removeAttribute('disabled');}
</script>
<BODY>
<FORM name="f1">
<input name="us" id="us" type="checkbox" value="ab" onClick="" disabled="disabled">小王<br /><input name="bm" id="bm" type="checkbox" value="cd" onClick="javascript:bm()">业务部门<br />
</FORM>
</BODY></HTML>为什么我按下“业务部门”复选框时,系统报错了,说不支持此方法或属性?。我又该如何控制disabled?
document.getElementById("us").disabled=true;
document.getElementById("us").disabled=false;
这样控制disabled
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script type="text/javascript">
function DisButton() {
var btn = document.getElementById("btClick");
if (btn.disabled == false) {
btn.disabled = true;
}
else {
btn.disabled = false;
}
}
</script>
</head>
<body>
<div>
<input type="button" id="btClick" value="Test" />
<input type="button" value="禁用" onclick="DisButton()" />
</div>
</body>
</html>
<HEAD>
<TITLE>TEST</TITLE>
</HEAD>
<script type="text/javascript" language="javascript">
function ass()
{ var btn = document.getElementById("us");
if(btn.disabled == true)
btn.disabled = false;
else
btn.disabled = true;
}
</script>
<BODY>
<FORM name="f1">
<input name="us" id="us" type="checkbox" value="ab" onClick="" >小王<br /><input name="bm" id="bm" type="checkbox" value="cd" onclick="ass()">业务部门<br />
</FORM>
</BODY></HTML>这样是你点下面的控制上面的checkbox