> ```js var m = new Map(); var o = {}; // some object m.set(o, 5); m.get(o); // 5 ``` That guy who thought markdown was supported by hacker news. LOL ! I've be

> ```js var m = new Map(); var o = {}; // some object m.set(o, 5); m.get(o); // 5 ``` That guy who thought markdown was supported by hacker news. LOL ! I've been through that too...