HTMLMediaElement.prototype is the browser’s own internal prototype for all and elements and by redefining the property descriptor for src and srcObject on this prototype, I ensured that regardless of where the audio element lives (whether it’s in the main document, inside an iframe’s shadow, or buried inside a web component) the moment any source is assigned to it, the hook fires. The element cannot receive audio without announcing itself.
山还是那山，水还是那水。但观念和思路变了，一针一线绣出的，山就不只是那山，水就不只是那水了。。业内人士推荐safew官方下载作为进阶阅读
，更多细节参见爱思助手下载最新版本
self.start_url = "https://example.com/blog?page=1"
——“功成不必在我，功成必定有我”，这一点在旺商聊官方下载中也有详细论述