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(function() {
  var methods = ['addClass', 'toggleClass', 'removeClass'];

  // extend jQuery methods to call a trigger
  $.map(methods, function(method) {
    // store the original handler function
    var originalMethod = $.fn[method];

    $.fn[method] = function() {
      // execute the original handler
      var result = originalMethod.apply(this, arguments);

      // trigger the custom event with arguments
      this.trigger(method, arguments);

      return result;
    };
  });
})();