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为什么javascript的报错没什么用解决方法

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WBOYOriginal
2016-06-13 10:19:56782browse

为什么javascript的报错没什么用
要崩溃了,为什么javascript的报错没什么用?

include("conn.php");

if(isset($_POST["submit"]))
{
$sql="INSERT INTO message (id,user,title,content,lastdate) " .
  "values ('','$_POST[user]','$_POST[title]','$_POST[content]',now())";
  //echo $sql;
  $result = mysql_query($sql,$conn)or die(mysql_error());
}


?>

 

 



  user:

  title:

  content:


 

 



------解决方案--------------------
if (document.myform.user.value=="")
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