line 266 different instead of difference. it's A typo
@ -263,7 +263,7 @@ Set(3) {3, 4, 5}
### Difference of sets
To find an the difference between two sets can be achieved using filter. Lets find the different of set A and set B (A \ B)
To find an the difference between two sets can be achieved using filter. Lets find the difference of set A and set B (A \ B)
```js
let a = [1, 2, 3, 4, 5]