想实现 注册按钮等待10秒后 才让进行下一步。写了代码,但不能实现,帮忙看看啊
<head runat="server">
<title>无标题页</title>
<script type="text/javascript">
var secs=1;
document.getElementById("agreeb").disabled=true;
for( var i=10;i>=secs;i--)
{
setTimeout("update(" + i + ")", 1000);
}
function update(num)
{
if(num ==secs)
{
document.getElementById("agreeb").value =" 同 意 ";
document.getElementById("agreeb").disabled=false;
}
else
{
document.agree.agreeb.value = "请等待(" + num +")";
}
}
</script>
</head>
<body >
<form id="form1" runat="server">
<div id="bar"> </div>
<hr/>
<input type="button" name="agreeb" value="请等待(10)"/>
</form>
</body>
</html>