non-blocking java script

• 1. Non-Blocking JavaScript Dmitriy Yakubovskiy

2. 3. * Firefox 3+ 6 Chrome 6 Safari 3-4 4 Safari 5 6 Opera 12 6 IE 6-7 2 IE 8-9 6 IE 10 8 * - 4. HTML DOM 5. DOMContentLoaded - , IE