Function shuffle

lib/web/jshint.js:8447–8462

* Creates an array of shuffled values, using a version of the * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle). * * @static * @memberOf _ * @category Collection * @param {Array|Object|string} collection The collection to shuffle. * @retu

(collection)

     * // => [4, 1, 3, 2]
     */
    function shuffle(collection) {
      collection = toIterable(collection);

      var index = -1,
          length = collection.length,
          result = Array(length);

      while (++index < length) {
        var rand = baseRandom(0, index);
        if (index != rand) {
          result[index] = result[rand];
        }
        result[rand] = collection[index];
      }
      return result;
    }

    /**
     * Gets the size of `collection` by returning its length for array-like