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by warpech 1303 days ago
One thing that comes to mind: Flash could do rawish TCP socket communication. You could implement various protocols on top of it in user code.

That's not possible with Web APIs. Web APIs are more high-level (complex, purpose-oriented), e.g. WebSockets, WebRTC, WebTransport. The low-level stuff is not exposed to user code and probably never will. One of the reasons is security.