dc1f2c727c
e067490424
@ -272,14 +272,17 @@ let b = [3, 4, 5, 6]
let A = new Set(a)
let B = new Set(b)
let c = a.filter((num) => !B.has(num))
let C = new Set(c)
let diffOfA = a.filter((num) => !B.has(num))
let diffOfB = b.filter((num) => !A.has(num))
let diffOfAB = [...diffOfA, ...diffOfB]
let C = new Set(diffOfAB)
console.log(C)
```
```sh
Set(2) {1, 2}
Set(2) {1, 2, 6}
## Map