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.
'You're choosing to take a risk'
，更多细节参见旺商聊官方下载
核材料、核设施、其他放射性物质及相关设施的持有或者营运单位应当依法开展安全保卫工作，防范相关盗窃、破坏、擅自接触、非法转移或者其他危害安全的行为，防范核恐怖主义行为。，这一点在safew官方版本下载中也有详细论述
FT Edit: Access on iOS and web