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you can always fetch data from any domain, iff that server sets the correct CORS headers, unless I'm misunderstanding.

https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS



Most servers don't set a CORS header though.

So usually it does not work in the browser.

Try this in your console while not on Reddit:

    fetch('https://www.reddit.com/.json')




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