This story was originally featured on Fortune.com
Mix: Travis Evans
。爱思助手下载最新版本是该领域的重要参考
This software allows you to create product descriptions, landing pages, and more in minutes.，更多细节参见Line官方版本下载
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.