Thanks to Brightness by Chameleon Design from the Noun Project for the logo
HTMLMediaElement: play() method — MDN Web Docs
，这一点在safew官方下载中也有详细论述
The Writer is not a concrete class. Any object that implements write(), end(), and abort() can be a writer making it easy to adapt existing APIs or create specialized implementations without subclassing. There's no complex UnderlyingSink protocol with start(), write(), close(), and abort() callbacks that must coordinate through a controller whose lifecycle and state are independent of the WritableStream it is bound to.
阻碍人民警察依法执行职务的，从重处罚。