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new features - Coggle Diagram

- - - - rest = [300,400,500]
    - - console.log(a, c, rest);
      - 100 300 {b: 200, d: 400, e: 500}
  - - - return ["John", "Beth", "Mike"];
- - - - next: function () { ... }
      - return nextIndex < names.length ? { ... } : { ... }
    - - console.log(names.next().value);
      - console.log(names.next());
  - - - console.log(names.next().value);
      - console.log(name.next());
- - - - for (let key of map1.keys()) { ... }
    - - for (let value of map1.values()) { ... }
    - - map1.forEach(function (value, key) { ... }
    - - const keyValArr = Array.from(map1);
      - const valArr = Array.from(map1.values());
      - const keyArr = Array.from(map1.keys());
- - - - still has the same amount of values
  - - - set1.size
    - - set1.has(100)
    - - set1.delete(100);
    - - for (let item of set1) { ... }
      - same for → set1.keys(), set1.values()
        
        set1.entries() → returns iterable pairs [any, any]
      - for (let item of set1.entries()) { ... }
    - - const setArr = Array.from(set1);