日期:2014-05-19 浏览次数:20876 次
<html>
<head>
<script>
function check()
{
var name = document.getElementById("name").value;
var password = document.getElementById("password").value;
var conform = document.getElementById("conform").value;
if(name.length == 0)
{
alert('the account cannot empty');
return false;
}
if(name.length > 20)
{
alert('the account is too length');
return false;
}
//这里需要用ajax验证。。。自己去网上搜一下吧。。
if(name == 'abc')
{
alert('this account is exist');
return false;
}
if(password != conform)
{
alert('password not same');
return false;
}
}
</script>
</head>
<body>
<form action="a.html" method="post" onsubmit="return check()">
name:<input type="text" id="name" /><br/>
password:<input type="password" id="password" /><br/>
conform:<input type="password" id="conform" /><br/>
<input type="submit" value="submit" />
</form>
</body>
</html>
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绑定...........
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