1. spread operator ...
2. for ... of iterator
3. includes()
4. some() //if some element in array pass the test
5. every() //if every element in array pass the test
6. filter() //filter the array that pass the test
7. map() //convert the array
8. reduce() //reduce to array, number, object
9. find()
ref
1. 7-javascript-methods-that-will-boost-your-skills
2. Most Useful JavaScript Array Functions
3. most-useful-javascript-methods
