Ask HN: What's the weirdest JavaScript source code you've seen?

Posted by lhorie on Wednesday April 19, 2017 @07:33AM
from the ask-hn dept.

I'm writing a Javascript parser, and I wanted to try parsing unusual JS code found in the wild.

Weirdness can be abuse of unicode, code obfuscation, unusual programming paradigms, etc

( 3 comments | 3 points | on HN )

Re:Ask HN: What's the weirdest JavaScript source code you've... by stiaje on Wednesday April 19, 2017 @07:36AM (#14147000)

If you're not limited to 'production' javascript, code golfing sites like http://dwitter.net will be a good source of strange javascript!

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Re:Ask HN: What's the weirdest JavaScript source code you've... by al2o3cr on Wednesday April 19, 2017 @08:15AM (#14147149)

I hope nobody's using it in production, but the "JS without letters" thing would probably tickle a few edge cases in a parser:

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Re:Ask HN: What's the weirdest JavaScript source code you've... by stiaje on Wednesday April 19, 2017 @09:28AM (#14147522)

Also, for _js without numbers_, this is the most compact way to write something that evaluates to the number 2: -~!""

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