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.
The civil rights leader, who ran for president twice in the 1980s, leaves a lasting legacy.，这一点在91视频中也有详细论述
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Фото: Владимир Чистяков / РИА Новости
Цены на нефть взлетели до максимума за полгода17:55，推荐阅读搜狗输入法下载获取更多信息