Programmer Humor

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JavaScript (sh.itjust.works)

submitted 4 months ago by sjmarf@sh.itjust.works to c/programmer_humor@programming.dev

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[–] victorz@lemmy.world 21 points 4 months ago (1 children)

So there's yet another level of quirkery to this bullshit then, it seems. 😆 Nice digging! 🤝

I also noticed that if you surround the curlies with parentheses, you get the same again:

> eval('{} + []')
0
> eval('({}) + []')
'[object Object]'

[–] PoolloverNathan@programming.dev 10 points 4 months ago (2 children)

Yep, parentheses force {} to be interpreted as an expression rather than a block — same reason why IIFEs have !function instead of just function.

[–] dejected_warp_core@lemmy.world 3 points 4 months ago

/me goes back to get second folding chair.

[–] victorz@lemmy.world 1 points 4 months ago* (last edited 4 months ago)

I thought IIFE's usually looked like (function (...params) {})(...args). That's not the latest way? To be honest I never used them much, at least not after arrow functions arrived.