create a n by n array javascript code example
Example 1: js array of 1 to n
[...Array(10).keys()]
Example 2: list from 1 to 100 js
[...Array(100).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
[...Array(10).keys()]
[...Array(100).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]