code: function forEachRight(collection, callback) {
      var length = collection ? collection.length : 0;
      if (typeof length == 'number') {
        while (length--) {
          if (callback(collection[length], length, collection) === false) {
            break;
          }
        }
      } else {
        var props = keys(collection);
        length = props.length;
        forOwn(collection, function(value, key, collection) {
          key = props ? props[--length] : --length;
          return callback(collection[key], key, collection) === false && indicatorObject;
        });
      }
    }
docs: This method is like `_.forEach` except that it iterates over elements
  of a `collection` from right to left.
  
  @static
  @memberOf _
  @alias eachRight
  @category Collections
  @param {Array|Object|string} collection The collection to iterate over.
  @param {Function} [callback=identity] The function called per iteration.
  @param {*} [thisArg] The `this` binding of `callback`.
  @returns {Array|Object|string} Returns `collection`.
  @example
  
  _([1, 2, 3]).forEachRight(function(num) { console.log(num); }).join(',');
  // => logs each number from right to left and returns '3,2,1'