Ajax call

ajax-call.js

var jqxhr = 
  $.ajax({
      url:"ajax.php",
      data: //json, xml, text...
  })
  .done(function(data){
      console.log(data); //response from ajax.php
  })
  .fail(function() {
      console.log( "ajax error" );
  })
  .always(function(){

  });