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The difficult bit isn't the core JavaScript support. There are a dozen engines packaged as libraries that can use for that. The difficult bit is supporting all
by nicoburns 6mo ago
The difficult bit isn't the core JavaScript support. There are a dozen engines packaged as libraries that can use for that. The difficult bit is supporting all of the hundreds of DOM APIs.
- userbinator 6mo agoAlso the "undefined behaviours" used for fingerprinting and denying access to non-mainstream UAs even if they have JS support. If I remember correctly, YouTube was doing something like that.