server/models/player.js
// Note: doesn't validate cards.
doesn't validate cards.
doesn ' t validate cards .
removeCardsFromHand(cards) {
    cards.forEach((card) => {
      _.remove(this._hand, item => Card.isEqual(card, item));
    });
  }
removeCardsFromHand ( cards ) { cards . forEach ( ( card ) => { _ . remove ( this . _hand , item => Card . isEqual ( card , item ) ) ; } ) ; }
Note: doesn't validate cards.
Note : doesn ' t validate cards .