Nodejs Array Reverse reverse()

Here you can find the source of reverse()

Method Source Code

Array.prototype.reverse = function() {
    var array = [];
    var length = this.length;
    for (var i = length - 1; i >= 0; i--){
        array.push(this[i])//w  ww  .  j a v  a 2s .  c o  m
    };
    for ( var i = 0; i < length; i ++){
        this[i] = array[i];
    }
    return this;
};

Related

  1. 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;
    };
    
  2. reverse()
    Array.prototype.reverse = function() {
      var array = this.concat();    
      for(var i = 0; i<this.length; i++){
         this[i] = array.pop();      
      }; 
      return this;
    };
    console.log([1,2,3].reverse());
    
  3. 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());
    ...
    
  4. 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;
    };
    
  5. 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()
    
  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 () {
      var counter, 
        temp, 
        index;
      counter = this.length;
        while (counter > 0) {
            index = Math.floor(Math.random() * counter);
            counter--;
            temp = this[counter];
    ...