The V3 approach obliterates this race condition by hooking addSourceBuffer at the MediaSource.prototype level, I intercept the creation of every SourceBuffer. The moment a buffer is created and returned, I immediately install a hooked appendBuffer directly on that specific instance; before any page code can even see the instance, let alone cache a reference to its methods. The hooked appendBuffer is installed as an own property of the instance, which takes precedence over the prototype chain. There is no window for fermaw to cache the original. The hook is always first.
图二 VPA 小鼠皮层线粒体与突触形态异常
。关于这个话题，新收录的资料提供了深入分析
Linda Cardellini in "DTF St. Louis."
Such a wing could, for example, bend merely its edges, just like birds do with their feathers, in order to stabilize themselves in flight.