generate an array of ints js code example
Example 1: create range array javascript
[...Array(10).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Example 2: es6 1 to one
const map = new Map([
[ 1, 'one' ],
[ 2, 'two' ],
[ 3, 'three' ], // trailing comma is ignored
]);