Nodejs Utililty Methods String Padding Right

String.prototype.padRight = function(ch, n) {
  if(this.length < n) {
    var diff = n - this.length;
    var tempArr = this.split('');
    var tmp;
    for(var i = 0; i < diff; i++) {
      tempArr.push(ch);
    tmp = tempArr.toString().replace(/,/g, '');
...

String.prototype.padRight = function(count, ch) {
    var char = ch || ' ';
    var result = new Array(count + 1).join(char);
    return this + result;
};

String.prototype.padRight = function (count, character) {
    if (typeof (character) === "undefined") character = " ";
    return this.length <= count ? this + Array(count + 1 - this.length).join(character) : this.toString();

String.prototype.padRight = function(count, character) {
    var result = "" + this;
    if (character === undefined) {
        character = " ";
    count -= this.length;
    if (count < 0) {
        count = 0;
    var i;
    for (i = 0; i < count; i += 1) {
        result += character;
    return result;
};

String.prototype.padRight = function (count, character) {
    if (typeof (character) === "undefined") {
        character = " ";
    return this.length <= count ? this + Array(count + 1 - this.length).join(character) : this.toString();
};

String.prototype.padRight = function(count, character) {
  var ch = character || ' ';
  var result = this;
  for (var i = 0; i < count; i++) {
    result += ch;
  };
  return result;

String.prototype.padRight = function(count, character) {
    character = character || ' ' ;
    return this.toString() + character.repeat(count);
};

String.prototype.padRight = function(l,c) {
    var m = l;
    if(this.length > m) {
        m = ((this.length % m) + 1) * m;
    return this+Array(m-this.length+1).join(c||" ");
};
var str = 'TextMustBe16Bytes';
console.log(
...

if (!String.prototype.padRight) {
  String.prototype.padRight = function(max, c) {
    var self = this;
    return self + new Array(Math.max(0, max - self.length + 1)).join(c || ' ');
  };

String.prototype.padRight = function(n, c) {
  var len = this.length;
  ch = c || ' ';
  if (n <= len) {
    return this;
  else {
    var s = this;
    for (var i=0; i < n - len; i++) {
...