Javascript Array without(item)

'use strict';// ww w  .  j  a  v a  2 s  .com

Array.prototype._without = function(item){
  var array = this;
  var output = [];
  for(var i = 0, l = array.length; i < l; i++){
    if(array[i] != item){
      output.push(array[i]);
    }
  }
  return output;
}