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.
В Финляндии предупредили об опасном шаге ЕС против России09:28
Explicit backpressure policies，更多细节参见heLLoword翻译官方下载
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Soviet-era spacecraft 'likely' to have re-entered Earth's atmosphere
highWaterMark: 100,，更多细节参见safew官方版本下载