方法很多
userPwd = document.form1.userPwd.value;
userPwd2 = document.form1.userPwd2.value;
if (userPwd2 != userPwd)
{
alert("报错");
return false;
}
else
{
location = "xx.asp";
}
userPwd = document.form1.userPwd.value;
userPwd2 = document.form1.userPwd2.value;
if (userPwd2 != userPwd)
{
alert("报错");
return false;
}
else
{
location = "xx.asp";
}
<!--
function checkForm(){
userPwd = document.registerarea.userPwd.value;
userPwd2 = document.registerarea.userPwd2.value;
if (userPwd2 != userPwd)
{
alert("密码不一致。");
return false;
}
}
//-->
</script>
<form name="registerarea" method="post" action="registersub.asp" onSubmit="return checkForm();"><input name="userPwd" type="password">
<input name="userPwd2" type="password">
<input type="submit" name="button" value="确定">
</form>