• 9point6@lemmy.world
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    4 months ago

    versions of html, css, and JavaScript it supports

    Given the level of support a browser has for something is basically the browser’s version (there’s no such thing as a version number for JavaScript or CSS for example, there’s a spec that’s kinda versioned, but browsers don’t implement everything the same), you’ve basically just described user agent strings

    We have feature detection approaches today that make UA based browser detection generally unnecessary but the horse has already bolted on that now