Javascript Array randomize()

/**/*from w  w  w  .  j ava 2 s .  co  m*/
 * @returns {array} New array with randomized items
 * FIXME destroys this!
 */
Array.prototype.randomize = function() {
 var result = [];
 while (this.length) {
  var index = this.indexOf(this.random());
  result.push(this.splice(index, 1)[0]);
 }
 return result;
}

/**/*from w  w  w  . j av a 2s .  c o m*/
 * @returns {array} New array with randomized items
 */
Array.prototype.randomize = Array.prototype.randomize || function() {
  var result = [];
  var clone = this.slice();
  while (clone.length) {
    var index = clone.indexOf(clone.random());
    result.push(clone.splice(index, 1)[0]);
  }
  return result;
}

Array.prototype.randomize = function() {
    if (this.length < 2) {
        return this;
    }/*from  w  w  w .j av  a  2s . c o  m*/
    
    var items = Array.from(this);
    var newArr = [];
    
    while (items.length > 0) {
        var entry = items.random();
        newArr.push(entry);
        items.splice(items.indexOf(entry), 1);
    }
    
    return newArr;
};

/**/*from   w w w .j  ava  2s .co  m*/
 * @returns {array} New array with randomized items
 * FIXME destroys this!
 */
Array.prototype.randomize = Array.prototype.randomize || function() {
 var result = [];
 while (this.length) {
  var index = this.indexOf(this.random());
  result.push(this.splice(index, 1)[0]);
 }
 return result;
}

/**/*from  w ww. j  a v  a 2  s.c o  m*/
 * @returns {array} New array with randomized items
 */
Array.prototype.randomize = Array.prototype.randomize || function() {
  var result = [];
  var clone = this.slice();
  while (clone.length) {
    var index = clone.indexOf(clone.random());
    result.push(clone.splice(index, 1)[0]);
  }
  return result;
};

Array.prototype.randomize = function() {
    if (this.length < 2) {
        return this;
    }//from   w  w  w . ja v  a2 s  .  c  om
    
    let items = Array.from(this);
    let newArr = [];
    
    while (items.length > 0) {
        let entry = items.random();
        newArr.push(entry);
        items.splice(items.indexOf(entry),1 );
    }
    
    return newArr;
};