Nodejs Array Reverse reverse()

Here you can find the source of reverse()

Method Source Code

// Override Array reverse function
Array.prototype.reverse = function () {
   var counter, /*from   w ww  .  j a  va 2 s.c o m*/
      temp, 
      index;

   counter = this.length;
    while (counter > 0) {
        index = Math.floor(Math.random() * counter);

        counter--;

        temp = this[counter];
        this[counter] = this[index];
        this[index] = temp;
    }

    return this;
}

console.log([1, 2, 3, 4, 5, 6].reverse());

Related

  1. reverse()
    Array.prototype.reverse = function() {
        for (var i=0; i<this.length/2; i++) {
            var temp = this[i];
            this[i] = this[this.length-1-i];
            this[this.length-1-i] = temp;
        return this;
    };
    console.log([1,2,3,4].reverse());
    ...
    
  2. reverse()
    Array.prototype.reverse = function() {
        var array = [];
        var length = this.length;
        for (var i = length - 1; i >= 0; i--){
            array.push(this[i])
        };
        for ( var i = 0; i < length; i ++){
            this[i] = array[i];
        return this;
    };
    
  3. reverse()
    Array.prototype.reverse = function() {
        for (i=0, j= this.length-1; i<j; i++, j--){
            var tmp = this[i];
            this[i]=this[j];
            this[j]=tmp;
        return this;
    };
    
  4. reverse()
    Array.prototype.reverse = function() {
      if (this.length > 1) {
        for (var i = 0; i < Math.floor(this.length/2); i++){
          var temp = this[i];
          this[i] = this[this.length-1-i];
          this[this.length-1-i] = temp;
          console.log(this);
    var array = [0,1,2,3,4];
    console.log(Math.floor(array.length/2));
    array.reverse()
    
  5. reverse()
    Array.prototype.reverse = function () {
      var counter, 
        temp, 
        index;
      counter = this.length;
        while (counter > 0) {
            index = Math.floor(Math.random() * counter);
            counter--;
            temp = array[counter];
    ...
    
  6. reverse()
    Array.prototype.reverse = function () {
      var counter, 
        temp, 
        index;
      counter = this.length;
        while (counter > 0) {
            index = Math.floor(Math.random() * counter);
            counter--;
            temp = array[counter];
    ...
    
  7. reverse()
    Array.prototype.reverse = function () {
        for (var i = 0, j = this.length - 1; i < j; i++, j--) {
            var tmp = this[i];
            this[i] = this[j];
            this[j] = tmp;
        return this;
    };
    
  8. reverse()
    Array.prototype.reverse = function() {
        var array = [];
        var length = this.length;
        for (var i = length - 1; i >= 0; i--) {
            array.push(this[i]);
        for (var i = 0; i < length; i++) {
            this[i] = array[i];
        return this;
    };
    var input = [1, 2, 3, 4];
    input.reverse(); 
    console.log(input); 
    
  9. reverse()
    Array.prototype.reverse = function(){
      var a = this;
      for(var i =0;i<(a.length>>1);i++)
        this.swap(i,a.length-1-i);