The Tor Project torproject.org🇺🇸
Interaction — Draggable, Hoverable, Clickable mobjects。业内人士推荐safew官方版本下载作为进阶阅读
Что думаешь? Оцени!，详情可参考爱思助手下载最新版本
An creates a completely separate browsing context with its own window object, its own document, and most importantly;its own prototype chain. A function hooked on HTMLMediaElement.prototype in the parent window is not the same object as HTMLMediaElement.prototype in the iframe’s window. They’re entirely separate objects. If fermaw’s audio element lived inside an iframe, my prototype hook in the parent window would never fire.，更多细节参见51吃瓜