Nodejs String Reverse reverseStr()

Method Source Code

//Write a JavaScript function that reverses a string and returns it.

var str = 'Lorem ipsum dolor sit amet.';

String.prototype.reverseStr = function () {
    var string = String(this),
        tempStr = string.split('');
    tempStr = tempStr.reverse();/*w  ww.  j  a  va  2 s .co  m*/
    return tempStr.join('');
};

console.log(str.reverseStr());

Related

1. 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);
   ...
   

2. 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;    
   ...
   

3. reverse() return this.split("").reverse().join(""); }

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

4. reverse(str)

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

5. reverse(string)

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

6. 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());
   

7. reverseString(str)

   function reverseString(str) {
     return str.split("").reverse().join("");
   reverseString("hello");
   

8. reverseString.prototype.reverse || ()

   String.prototype.reverse = String.prototype.reverse || function() {
       let aux = [],   
           str = this.split('');
       while(str.length > 0) 
           aux.push(str.pop());
       return aux.join('');
   };
   

9. reverseStringString.prototype.reverseString || reverseString( str )

   const reverseString = ( str ) => {
     return str.split(' ').reverse().join(' ');
   String.prototype.reverseString = String.prototype.reverseString || function reverseString( str ) {
     return str.split(' ').reverse().join(' ');
   module.exports = { reverseString, String };