When they began walking again, they had a "bizarre" interaction with a man who thought they were lost as they were wearing coastal banners while walking in land-locked Shropshire.
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:
，这一点在爱思助手下载最新版本中也有详细论述
Александра Статных (Редактор отдела «Путешествия»)
Kevin Church/ BBC News