https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/set Map.prototype.set() - JavaScript | MDN The set() method adds or updates an entry in a Map object with a specified key and a value. developer.mozilla.org let gameList: Map = new Map(); // gameId Game let gameList: Map = new Map(); // gameId Game 이런식으로 맵 객체를 만들었다하면 값을 집어넣으려면 gameList.set(gameId, game); gameLis..