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Merge pull request #2292 from joaquinelio/patch-2

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Buffer purpose. And missing "s".
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Ilya Kantor 2020-11-25 10:16:17 +03:00 • committed by GitHub
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5-network/11-websocket/article.md
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@ -117,7 +117,7 @@ There may be additional headers `Sec-WebSocket-Extensions` and `Sec-WebSocket-Pr
For instance:
- `Sec-WebSocket-Extensions: deflate-frame` means that the browser supports data compression. An extension is something related to transferring the data, functionality that extends WebSocket protocol. The header `Sec-WebSocket-Extensions` is sent automatically by the browser, with the list of all extenions it supports.
- `Sec-WebSocket-Extensions: deflate-frame` means that the browser supports data compression. An extension is something related to transferring the data, functionality that extends WebSocket protocol. The header `Sec-WebSocket-Extensions` is sent automatically by the browser, with the list of all extensions it supports.
- `Sec-WebSocket-Protocol: soap, wamp` means that we'd like to transfer not just any data, but the data in [SOAP](http://en.wikipedia.org/wiki/SOAP) or WAMP ("The WebSocket Application Messaging Protocol") protocols. WebSocket subprotocols are registered in the [IANA catalogue](http://www.iana.org/assignments/websocket/websocket.xml). So, this header describes data formats that we're going to use.
@ -194,7 +194,7 @@ Imagine, our app is generating a lot of data to send. But the user has a slow ne
We can call `socket.send(data)` again and again. But the data will be buffered (stored) in memory and sent out only as fast as network speed allows.
The `socket.bufferedAmount` property stores how many bytes are buffered at this moment, waiting to be sent over the network.
The `socket.bufferedAmount` property stores how many bytes remain buffered at this moment, waiting to be sent over the network.
We can examine it to see whether the socket is actually available for transmission.