Nodejs Utililty Methods Number Format Pad

Number.prototype.pad = function(size) {
    var s = String(this);
    while (s.length < (size || 2)) {s = "0" + s;}
    return s;

import moment from "moment";
const TARGET = moment('2015-11-28 21:30:00+0100').utc();
let hh = document.getElementById('H');
let mm = document.getElementById('M');
let ss = document.getElementById('s');
let cc = document.getElementById('cs');
let countdown = document.getElementById('countdown');
Number.prototype.pad = function(size) {
  var s = String(this);
...

Number.prototype.pad = function(size) {
  var s = String(this);
  while (s.length < (size || 2)) {
    s = "0" + s;
  return s;

'use strict';
Number.prototype.pad = function(size) {
  if(typeof(size) !== "number"){size = 2;}
  var s = String(this);
  while (s.length < size) s = "0" + s;
  return s;

Number.prototype.pad = function(size) {
  var s = String(this);
  if (typeof(size) !== "number") {
    size = 2;
  while (s.length < size) {
    s = "0" + s;
  return s;
...

Number.prototype.pad = function (size, decimalSize, decimalChar) {
    if (!decimalChar) decimalChar = '.';
    var str = this.toString();
    str = str.split(".");
    var result = str[0].pad("0", size ? size : 0);
    if (str.length==2){
        result += decimalChar + str[1].pad("0", decimalSize, true);
    return result;
...

Number.prototype.padLeft = function (base, chr) {
    var len = (String(base || 10).length - String(this).length) + 1;
    return len > 0 ? new Array(len).join(chr || '0') + this : this;
function formatDate(d) {
    return [(d.getFullYear()).padLeft(),
            (d.getMonth() + 1).padLeft(),
            d.getDate().padLeft()].join('-') +
        ' ' +
...

Number.prototype.padLeft = function (base, chr) {
    var len = (String(base || 10).length - String(this).length) + 1;
    return len > 0 ? new Array (len).join(chr || '0') + this : this;
};
Array.prototype.compare = function (array) {
    if (!array)
        return false;
    if (this.length != array.length)
        return false;
...

Number.prototype.padLeft = function (base, chr) {
    var len = (String(base || 10).length - String(this).length) + 1;
    return len > 0 ? new Array(len).join(chr || '0') + this : this;
};

Number.prototype.padLeft = function(base,chr) {
  var len = (String(base || 10).length - String(this).length)+1;
  return len > 0? new Array(len).join(chr || '0')+this : this;
};