Simple JavaScript function to copy values from one object to another

Object.copy.js

// Simple JavaScript function to copy values from one object to another

Object.copy = function(from, to, keys){
    l = keys.length;
    while (l--) to[keys[l]] = from[keys[l]];
    return to;
};


var obj1 = {foo: 'bar', temp: 'foo', bar: 'temp'};

obj2 = {};

console.log(Object.copy(obj1, obj2, ['foo', 'bar']));

Object.copy = function(object, to, keys){
  to = to || {};
  if (!keys) for (var i in object) to[i] = object[i];
  else for (var i in keys) to[keys[i]] = object[keys[i]];
  return to;
};

:)

haha cool! :D