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// CODE 1
var s = new Date().getTime();
var o = Object.create(null);
o.delta = 1;
(function () {
var counter = 0, x = 1000 * 1000 * 1000;
for(var i = 0; i < x; i++) { counter += o.delta; }
console.log('Final result: ' + counter);
}());
console.log('Total time: ' + (new Date().getTime() - s) + ' ms');


// CODE 2
var s2 = new Date().getTime();
var o2 = Object.create({});
o2.delta = 1;
(function () {
var counter = 0, x = 1000 * 1000 * 1000;
for(var i = 0; i < x; i++) { counter += o2.delta; }
console.log('Final result: ' + counter);
}());
console.log('Total time: ' + (new Date().getTime() - s2) + ' ms');