range for js numbers code example

Example 1: range javascript

[...Array(5).keys()];
 => [0, 1, 2, 3, 4]

Example 2: javascript range of integers

// n is your max range
[...Array(n).keys()]

let n = 10
[...Array(n).keys()] // [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]