code: function pick(object) {
      var prop,
          index = 0,
          props = concat.apply(ArrayProto, arguments),
          length = props.length,
          result = {};
  
      // start `index` at `1` to skip `object`
      while (++index < length) {
        prop = props[index];
        if (prop in object) {
          result[prop] = object[prop];
        }
      }
      return result;
    }
docs: Creates an object composed of the specified properties. Property names may
  be specified as individual arguments or as arrays of property names.
  
  @static
  @memberOf _
  @category Objects
  @param {Object} object The object to pluck.
  @param {Object} [prop1, prop2, ...] The properties to pick.
  @returns {Object} Returns an object composed of the picked properties.
  @example
  
  _.pick({ 'name': 'moe', 'age': 40, 'userid': 'moe1' }, 'name', 'age');
  // => { 'name': 'moe', 'age': 40 }