code: function(values, func) {
          "use strict";
          if (values.forEach) {
              return values.forEach(func);
          } else {
              for (var i=0, len=values.length; i < len; i++) {
                  func(values[i], i, values);
              }
          }
      }
docs: /*
  Polyfill for array forEach() method.
  @param {Array} values The array to operate on.
  @param {Function} func The function to call on each item.
  @return {void}