In JavaScript, the natural primitive for "a sequence of things that arrive over time" is already in the language: the async iterable. You consume it with for await...of. You stop consuming by stopping iteration.
Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it – only the code that is actually holding the reader can.
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市场配置资源是最有效率的形式。习近平总书记深刻指出，要深化要素市场化配置改革，主动破除地方保护、市场分割和“内卷式”竞争。
-config: Config