How to pass value JavaScript variable to PHP?

Question

Passing value JavaScript variable to PHP.

Example

JavaScript

Var ffffd=\'aaaa\'

PHP

<         


        

Answer 1

In JS:

 $.post('ajax.php',{'ffffdd' : ffffdd}, function(data){
 });

In PHP

 if(isset($_POST['ffffdd'])) $ffffdd = $_POST['ffffdd'];