Nodejs Array Move move(pos1, pos2)

Method Source Code

Array.prototype.move = function(pos1, pos2) {
  var i, tmp, _ref, _ref2;
  tmp = this[pos1];/*from  w  w  w  . ja va 2  s .c  o m*/
  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--) {
      this[i] = this[i - 1];
    }
  }
  return this[pos2] = tmp;
};
Array.prototype.insert = function(element, pos) {
  return this.splice(pos, 0, element);
};
String.prototype.endsWith = function(suffix) {
  return this.indexOf(suffix, this.length - suffix.length) !== -1;
};

Related

1. 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]);
   ...
   

2. 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;
   ...
   

3. 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;
   ...
   

4. 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;
   ...
   

5. 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;
   ...