Multitouch recognizer event binding

gistfile1.js

$('.tap').recognize('tap').bind(
  'touchstart touchenter', function() { 
    $(this).addClass('active'); 
  }).bind(
  'touchleave touchend touchcancel', function() { 
    $(this).removeClass('active'); 
  }).bind(
  'tap', function() { 
    log('Tapped'); 
  });