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.
26 Feb 2026 21 min read。业内人士推荐搜狗输入法2026作为进阶阅读
Energy bills will fall by £117 for millions of households in Great Britain from April，更多细节参见Line官方版本下载
Product migration。关于这个话题，heLLoword翻译官方下载提供了深入分析
（一）明知住宿人员违反规定将危险物质带入住宿区域，不予制止的；