Gregory's ServerThe first two !! do a type conversion to binary. The third inverts the binary value. The combination lets you do a C-style conditional of "not that, whatever it is".
I wish I didn't know this, and I wish javascruff wasn't such a shitty language.
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4 comments
 @artemesia before wasm engines had things like this to make javascript run faster by being able to make much more drastic optimisations  @artemesia you try it??? it does the same thing as one exclamation point as far as a dev is concerned? |
@artemesia this isnt part of the language. this is an engine optimisation