usefull array from

arrayFrom.js

// Sequence generator function (commonly referred to as "range", e.g. Clojure, PHP etc)
const range = (start, stop, step) => Array.from({ length: (stop - start) / step + 1}, (_, i) => start + (i * step));

// create 2d array
const create2DArray = (m, n, initVal) => Array.from(new Array(m), () => new Array(n).fill(initVal))

// create 3d array
const create3DArray = (m, n, d, initVal) => Array.from(new Array(m), () => Array.from(new Array(n), () => new Array(d).fill(initVal)))