Basic AJAX Example

Base AJAX Call.js

var request = {};	
request['action'] = 'submit';
request['data'] = $(this).val() || $(this).closest('form').serialize();

$.ajax({
   url: "<?= $URL; ?>", || url: 'someFile.php',
   data: request, || JSON.stringify(request), || 
   type: 'POST',
   cache: false,
   dataType: 'json'
}).done(function(response) {
  // done function
});