how can i call java script in php which is in same html page?

Question

How can I call java script in php or can convert same php code in js. Please explain I am new to javascript

<?php
  if(isset($_POST['Submit']))
{
     $user_name = $_POST['login_name'];                                            
     if(empty($_SESSION['captcha_code'] ) || strcasecmp($_SESSION['captcha_code'], $_POST['captcha_code']) != 0)
     {
       $msg="<span style='color:red'>The Validation code does not match!</span>";
}else{
       echo "<script>FormSubmit();</script>";  //how to call here
 }   
}
?>

<html>
<body>
    <form name="ddd" id="ddd">
      <label>name:</name></label>
             <input id="login_name" type="text" />
      <button  type="submit" onclick="return validate(); value="Submit">
    </form> 

  <script>
    function FormSubmit(){
     ................
     ................

   }
   </script>
</body>
</html>

Thanks in advance.

put your php block below your html

roullie
– roullie

2015-05-20 10:52:40 +00:00
Commented May 20, 2015 at 10:52 — roullie
– roullie, Commented May 20, 2015 at 10:52

Mahadeva Prasad · Accepted Answer · 2015-05-20 10:54:43Z

1

Try this.

<html>
<body>
    <form name="ddd" id="ddd">
      <label>name:</name></label>
             <input id="login_name" type="text" />
      <button  type="submit" onclick="return validate(); value="Submit">
    </form> 
<?php
  if(isset($_POST['Submit']))
{
     $user_name = $_POST['login_name'];                                            
     if(empty($_SESSION['captcha_code'] ) || strcasecmp($_SESSION['captcha_code'], $_POST['captcha_code']) != 0)
     {
       $msg="<span style='color:red'>The Validation code does not match!</span>";
}else{
       echo "<script>FormSubmit();</script>";  //how to call here
 }   
}
?>
  <script>
    function FormSubmit(){
     // JS logic goes here

   }
   </script>
</body>
</html>

answered May 20, 2015 at 10:54

Mahadeva Prasad

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1 Comment

Kevin Nagurski Over a year ago

You'll also need to move the FormSubmit function definition script block either before the PHP, or into the head.

PhuLuong · Accepted Answer · 2015-05-20 17:30:01Z

0

The problem is FormSubmit function is definied after calling it on PHP

The solution is defining FormSubmit function before calling

answered May 20, 2015 at 17:30

PhuLuong

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