function check()
{
//do some check
if 条件满足
return true
else
return false
}
<form method=post onSubmit="javascript:return check()" action="login.php">
{
//do some check
if 条件满足
return true
else
return false
}
<form method=post onSubmit="javascript:return check()" action="login.php">
function check()
{
//do some check
//条件判断正确就返回return true
//否则返回return false
}
<script language="JavaScript">
<!--
function check_input()
{
if (document.form1.user.value=="" || document.form1.user.value.length>19)
{
alert("请出入用户名" );
document.form1.user.focus();
return flase;
}
else
return true;
}
//->
</script><form name="form1" method="post" onSubmit="javascript:return check_input()" action="login.php" >
{
// only return false, test use javascript function disable form submit
return false;
}<form name="form1" method="post" onSubmit="return check()" action="login.php" >
<form name="form1" method="post" onSubmit="return false" action="login.php" >快帮帮我,急死了!
这样又可以了原来这里打错了 :(
return flase;
你看看哪里出什么问题了。
会不会和php有什么关系阿?