Nodejs Array Move move(old_index, new_index)

Method Source Code

Array.prototype.move = function (old_index, new_index) {
    while (old_index < 0) {
        old_index += this.length;
    }//from   ww  w  .  j a va2s  .c o m
    while (new_index < 0) {
        new_index += this.length;
    }
    if (new_index >= this.length) {
        var k = new_index - this.length;
        while ((k--) + 1) {
            this.push(undefined);
        }
    }
    this.splice(new_index, 0, this.splice(old_index, 1)[0]);
    return this; // for testing purposes
};

Related

1. move(old_index, new_index)

   Array.prototype.move = function (old_index, new_index) {
       if (new_index >= this.length) {
           var k = new_index - this.length;
           while ((k--) + 1) {
               this.push(undefined);
       this.splice(new_index, 0, this.splice(old_index, 1)[0]);
       return this; 
   ...
   

2. move(old_index, new_index)

   "use strict";
   Array.prototype.move = function (old_index, new_index) {
       if (new_index >= this.length) {
           var k = new_index - this.length;
           while ((k--) + 1) {
               this.push(undefined);
       this.splice(new_index, 0, this.splice(old_index, 1)[0]);
   ...
   

3. move(old_index, new_index)

   Array.prototype.move = function (old_index, new_index) {
       while (old_index < 0) {
           old_index += this.length;
       while (new_index < 0) {
           new_index += this.length;
       if (new_index >= this.length) {
           var k = new_index - this.length;
   ...
   

4. move(old_index, new_index)

   function randomNumberBetween(x, y) {
       return (Math.random() * (y - x)) + x;
   $.fn.exists = function(callback) {
     var args = [].slice.call(arguments, 1);
     if (this.length) {
       callback.call(this, args);
     return this;
   ...
   

5. move(old_index, new_index)

   Array.prototype.move = function (old_index, new_index) {
     if (new_index >= this.length) {
       var k = new_index - this.length;
       while ((k--) + 1) {
         this.push(undefined);
     this.splice(new_index, 0, this.splice(old_index, 1)[0]);
     return this;
   ...
   

6. move(pos1, pos2)

   Array.prototype.move = function(pos1, pos2) {
     var i, tmp, _ref, _ref2;
     tmp = this[pos1];
     if (pos1 < pos2) {
       for (i = pos1, _ref = pos2 - 1; pos1 <= _ref ? i <= _ref : i >= _ref; pos1 <= _ref ? i++ : i--) {
         this[i] = this[i + 1];
     } else {
       for (i = pos1, _ref2 = pos2 + 1; pos1 <= _ref2 ? i <= _ref2 : i >= _ref2; pos1 <= _ref2 ? i++ : i--) {
   ...