jQuery xRequest Simple plugin to Ajax Request

            $(function() {
              // Initialize
              var myrequest = new xRequest({
                url: 'server.php',
                onStart: function() {
                    $('#console').text('Sending..');
                },
                onSuccess: function(json) {
                  if (json) {
                      $('#console').html(json.time + '\n' + json.hash);
                  }
                }
              });

              $('#mybutton').on('click', function() {

                // Checks if plugin is sending.
                if (!myrequest.isSending()) {
                  // Set one param on the fly
                  myrequest.setData('myparam', 0);

                  // Send request
                  myrequest.send();
                }

              });
            }(jQuery));
        

          <?php
          
          // JSON output
          echo json_encode(array(
            'time' => '<b>Server time:</b> ' . time(),
            'hash' => '<b>Server hash (md5):</b> ' . hash('md5', time())
          ));