This sounds reasonable until you see how easily it goes wrong:
In practice, (and yes, there are always exceptions to be found) BYOB is rarely used to any measurable benefit. The API is substantially more complex than default reads, requiring a separate reader type (ReadableStreamBYOBReader) and other specialized classes (e.g. ReadableStreamBYOBRequest), careful buffer lifecycle management, and understanding of ArrayBuffer detachment semantics. When you pass a buffer to a BYOB read, the buffer becomes detached – transferred to the stream – and you get back a different view over potentially different memory. This transfer-based model is error-prone and confusing:
，这一点在WPS官方版本下载中也有详细论述
Author(s): Eyasu Tadese M., T.E. Ada, K.N. Nigussa, Cecil N.M. Ouma，更多细节参见51吃瓜
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