Nodejs String Reverse reverse()

Method Source Code

var str1 = "abcdefghe";

//standard way/*from w w w . jav a2 s. c o m*/
String.prototype.reverse = function(){
   var temp = "";
   for (var i = this.length-1; i >= 0; i--){
      console.log(this[i]);
      temp = temp + this[i];
   }
   return temp
}

//recursive way
function reverse (str) {
    if (str === "") {
        return "";
    } else {
       // console.log(str.charAt(0));
        return reverse(str.substring(1)) + str.charAt(0);
    }
}


// console.log(str1.reverse());

// console.log(reverse(str1));

Related

1. reverse()

   String.prototype.reverse = function() {
     var i;
     var str = '';
     for(i = this.length - 1; i > -1; i--) {
       str += this[i];
     return str;
   };
   

2. reverse()

   String.prototype.reverse = function (){
       var t = "";
       for(var i = this.length; i > 0; i--) t = t + this.substring(i - 1, i);
       return t;
   var max = 1000000;
   var sum = 0;
   var i = 1;
   var str_num = null;
   ...
   

3. reverse()

   String.prototype.reverse = function(){
       var dummy = "";
       for (var i = this.length-1; i >= 0; i--) {
           dummy += this[i];
       return dummy;
   

4. reverse()

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

5. reverse()

   String.prototype.reverse = function () {
     var splitString = this.split('');
     var reverseArray = splitString.reverse();
     var joinArray = reverseArray.join('');
     return joinArray;
   };
   

6. reverse()

   String.prototype.reverse = function ()
       var value = '';
       for(var i = this.length - 1; i >= 0; i--)
           value += this.charAt(i);
       return value;
   };
   ...
   

7. reverse()

   function reverseSlow(s) {
     let result = '';
     for (let i = s.length - 1; i >= 0; i--) {
       result += s.charAt(i);
     return result;
   function reverseFast(s) {
     let result = [];
   ...
   

8. reverse()

   String.prototype.reverse = function () {
       return this.split('').reverse().join('');
   };
   String.prototype.isPalindrome = function () {
       var s = this.toLowerCase().replace(/[^a-z]/g, '');
       return (s.reverse() === s);
   };
   ('A man, a plan, a canoe, pasta, heros, rajahs, ' +
   'a coloratura, maps, snipe, percale, macaroni, ' +
   ...
   

9. reverse()

   String.prototype.reverse=function(){
     var arr=this.toCharArray();
     return arr.reverse().join("");