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.
The A Wall:* Calculating a 200-300km car route (or even shorter bicycle/pedestrian paths) could mean visiting over a million road segments, taking 10-20 seconds. For longer trips, this wait could become frustrating.
，这一点在safew官方版本下载中也有详细论述
count++; // 每弹出一个，能看到的矮个子数+1
第十条 行政执法监督机构应当加强对行政执法主体资格的管理，加强对行政执法人员的监督，健全行政执法人员资格、证件管理制度，监督行政执法机关做好行政执法人员准入和退出工作。