It does, but if you're calling it from the browser you can't add arbitrary data ... | Hacker News

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		paulgb on March 18, 2024 \| parent \| context \| favorite \| on: WebSockets vs. Server-Sent-Events vs. Long-Polling... It does, but if you're calling it from the browser you can't add arbitrary data to them (the way you can in e.g. a `fetch`)

makkesk8 on March 18, 2024 | [–]

Someone at Azure thought of this[1]

[1] https://github.com/Azure/fetch-event-source

pier25 on March 18, 2024 | [–]

> you can't add arbitrary data to them

What about intercepting the request with a service worker?

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