My response was to abandon trying to intercept at the level of individual elements and instead intercept at the level of the browser’s own property descriptors. I went straight for HTMLMediaElement.prototype with Object.getOwnPropertyDescriptor, hooking the native src and srcObject setters before any page code could run:
3705 fills a role sometimes called a "front-end processor," doing the grunt work，这一点在safew官方版本下载中也有详细论述
Полина Кислицына (Редактор)，这一点在雷电模拟器官方版本下载中也有详细论述
Материалы по теме:，更多细节参见safew官方下载