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Compared to the cryptic stack traces common in imperative code, this execution trace makes the source of the error immediately obvious.
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Instead of yielding one chunk per iteration, streams yield Uint8Array[] — arrays of chunks. This amortizes the async overhead across multiple chunks, reducing promise creation and microtask latency in hot paths.，更多细节参见旺商聊官方下载
Kerry Wan/ZDNET。夫子对此有专业解读