Ajax request returns nothing. why?

Question

Below is the ajax request.

$.post(\'delete.php\', {\'deletearray\':deletearray, \'dir\':dir}, function(deleted, undeleted){
    if(undeleted == 0) {
        aler         


        

Answer 1

The best way to do jquery + ajax + php is as next:

jquery:

PHP:

 $deleted, 'undeleted' => $undeleted)));
        exit();
    }
?>