http long polling is still one of the most funniest hackiest invention ever
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this is up there with, live stream over gif
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ter explaination
http long polling works by sending a request, and the server only responding once it got a notification, so you would have a http request open for like ages
live stream over gif is just,, keep responding with new gif frames to a gif http request
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It was 100% legitimate before WebSockets. HTTP/2 obsoletes WebSockets outside the browser since you can multiplex bidirectional streams over the same persistent connection. WebSockets are now essentially just a workaround for not having access to that from JS in a browser.
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saying http/2 obsoletes websockets sounds like a bit of a stretch, but look at what people actually used it and pushed others to use it for I can see why that can be a conclusion
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It has bidirectional binary streams. It essentially has a more flexible equivalent to WebSockets at the protocol level instead of built on top of it. It's a separate thing from the push feature. They essentially built the WebSocket functionality into it.
you might even go as far as calling it a,,, web socket,, /s
hmm, I can't find any access to those from DOM space tho :o
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Right, that's why I said this:
> WebSockets are now essentially just a workaround for not having access to that from JS in a browser.
For the time being, they haven't exposed the fancy HTTP/2 functionality to web clients. Still, outside web clients, WebSockets are obsolete now.
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