Nodejs Utililty Methods String Reverse

String.prototype.reverse = function () {
    return Array.prototype.reverse.apply(this.split('')).join('');
};
console.log('bumblebee'.reverse());

let testString = 'hello';
let expectedString = 'olleh';
String.prototype.reverse=function(){
  return this.split("").reverse().join("");
console.log(testString.reverse() === expectedString);

String.prototype.reverse = function() {
  var reversed = [];
  for(var i = 0; i < this.length; i++) {
    reversed[this.length - i - 1] = this[i];
  return reversed.join('');

String.prototype.reverse = function () {
    var str = this.toCharArray();
    function swap(arrTemp, i, j) {
        var temp = arrTemp[i];
        arrTemp[i] = arrTemp[j];
        arrTemp[j] = temp;
    for (var i = 0, j = this.length - 1; i < j; i++, j--) {
        swap(str, i, j);
...

String.prototype.reverse = function () {
    "use strict";
    var temp = "",
        i = 0;
    for (i; i < this.length; i = i + 1) {
        temp += this[this.length - 1 - i];
    return temp;
};
...

String.prototype.reverse = function(){
  var arr = this.toCharArray();
  function swap(arr,a,b){
    var temp = arr[a];
    arr[a] = arr[b];
    arr[b] = temp;
  for(var x=0,y=arr.length-1;  x<y ; x++,y--){
    swap(arr,x,y);
...

String.prototype.reverse = function () {
  let str = this;
  let result = '';
  for (let i = str.length - 1; i >= 0; i--) {
    result += str.unicodeCharAt(i);
  return result;
};

String.prototype.reverse = function () {
    function swap(arr, a, b) {
        var temp = arr[a];
        arr[a] = arr[b];
        arr[b] = temp;
    var arr = this.toCharArray();
    for (var x = 0, y = arr.length - 1; x < y; x++, y--) {
        swap(arr, x, y);
...

String.prototype.reverse = function() {     
    "use strict";
    var result = "";
    for(var i = this.length-1; i >= 0; i--){    
        result += this.charAt(i);
    return result;
module.exports = String;    
...

String.prototype.reverse = function(){ return this.split("").reverse().join(""); }
function palindrome(str) { 
   return str == str.reverse(); 
console.log(palindrome("level"));