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Wirks every time (lemmy.dbzer0.com)

submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 9 points 2 months ago (1 children)

I don't get it? When has this ever fixed a bug? Compiler error sure? But a bug?

[–] Eranziel 2 points 2 months ago (1 children)

Semicolons are technically optional in JS, but there are some rare cases where omitting them can result in different behaviour.

And this is why you should enforce code style, kids. Preferably with an automated tool.

[–] Excigma 1 points 2 months ago* (last edited 2 months ago)

I'm on my phone rn so can't format well, but one such example is:

const thing = require("module")

(async () => { something })()

without a ; at the end of the first line, JavaScript will try to do require("module")() instead