为什么判断完后程序直接终止了,不执行了到指定的 action="" 的页面中了 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Untitled Document</title>
<script language="javascript">
function oosubmit(o){
if(o.username.value==""){alert("你的用户命不为空")};return false;}
return false;
</script>
</head> <body>
<form id="form1" name="form1" method="post" action="11.php" onsubmit="return oosubmit(this)">
<label>
<input type="text" name="username" />
</label>
<p>
<label>
<input type="text" name="textfield2" />
</label>
</p>
<p>
<label>
<input type="submit" name="Submit" value="Submit" />
</label>
</p>
</form>
</body>
</html>
本人穷人,每分,有会的帮帮忙哦·
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Untitled Document</title>
<script language="javascript">
function oosubmit(o){
if(o.username.value==""){alert("你的用户命不为空")};return false;}
return false;
</script>
</head> <body>
<form id="form1" name="form1" method="post" action="11.php" onsubmit="return oosubmit(this)">
<label>
<input type="text" name="username" />
</label>
<p>
<label>
<input type="text" name="textfield2" />
</label>
</p>
<p>
<label>
<input type="submit" name="Submit" value="Submit" />
</label>
</p>
</form>
</body>
</html>
本人穷人,每分,有会的帮帮忙哦·
function oosubmit(o)
{
if(o.username.value=="")
{
alert("你的用户命不为空");
return false;
}
return true;
} </script>
return false;