code: function forEach(arr, callback, scope) {
          var i, len = arr.length;
          for (i = 0; i < len; i += 1) {
            callback.call(scope, arr[i], i);
          }
        }
docs: A forEach that will work with a NodeList and generic Arrays
  @param {array|NodeList} arr The array to iterate over
  @param {function} callback Function that executes for each element. First parameter is element, second is index
  @param {object} The context to execute callback with