JSFiddle - React, Tailwind, and code Playground

JavaScript

Array.dim = function (dimension, initial) {
    var a = [], i;
    for (i = 0; i < dimension; i += 1) {
        a[i] = initial;
    }
    return a;
};
var myArray = Array.dim(10, 0);
// [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]