Nodejs String Reverse reverse() return this.split("").reverse().join(""); }

Method Source Code

String.prototype.reverse = function(){ return this.split("").reverse().join(""); }

function palindrome(str) { 
    return str == str.reverse(); 
}

console.log(palindrome("level"));

Related

1. reverse()

   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;
   };
   ...
   

2. reverse()

   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);
   ...
   

3. reverse()

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

4. reverse()

   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);
   ...
   

5. reverse() // New ES2015

   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;    
   ...
   

6. reverse(str)

   String.prototype.reverse = function(str){
       return str.split("").reverse().join("");
       console.log(str)
   var myString = new String();
   myString.reverse("Happy")
   

7. reverse(string)

   function reverse(s) {
       return s.toString().split("").reverse().join("");
       console.log('from app . js 2');
   

8. reverseStr()

   var str = 'Lorem ipsum dolor sit amet.';
   String.prototype.reverseStr = function () {
       var string = String(this),
           tempStr = string.split('');
       tempStr = tempStr.reverse();
       return tempStr.join('');
   };
   console.log(str.reverseStr());
   

9. reverseString()

   String.prototype.reverseString = function() {
   var len = this.length, strArray = [], ct = 0;
     for (var i=len-1;i>=0;i--) {
        strArray[ct++] = this.charAt(i);
     return strArray.join("");
   console.log("asdf ajsd".reverseString());