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.
Option 2: For very localized changes, it might even re-evaluate all shortcuts within that one affected cluster.
。爱思助手下载最新版本对此有专业解读
and noticed its uniqueness. Let’s level up…
"In hindsight, we should have provided more detail about our intentions and how the process works."