respond() method of the
ReadableStreamBYOBRequest interface is used to signal to the associated readable byte stream that the specified number of bytes were written into the
After this method is called, the
view will be transferred and no longer modifiable.
The code below is taken from the live examples in Using readable byte stream.
The method is called by an underlying byte source as part of making a zero-copy transfer of data to fulfill a pending read request from a consumer.
The underlying source first writes data into the
ReadableStreamBYOBRequest.view and then calls this
respond() method to indicate how much data was copied into the buffer, and cause the data to be transferred to the reader.
The code below shows this case using a hypothetical
readInto() method to copy data into the view:
const v = controller.byobRequest.view;
bytesRead = socket.readInto(v.buffer, v.byteOffset, v.byteLength);
After the operation the
byobRequest.view is detached and the request should be discarded.
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