Hah! That's awesome. I wasn't aware of it.

But yeah, it's not a new idea really. Even my original article was written, over a decade ago: https://blog.djordjeungar.com/post/2011-09-13-obscure-javasc...

And then there was that time some people used jsfuck to do xss on Ebay:

https://arstechnica.com/information-technology/2016/02/ebay-...

Cloudflare uses it for some of their challenges.

JavaScript type coercion allows for some really obscure transformations, that make it look like BrainFuck.

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