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I've seen that before.

A related conventional use of underscores in JS variable names is when "discarding" values in positional settings, like destructuring arrays.

E.g. `const [_, a, b] = triple`

In general, underscores in JS seem to be used to help call out what to ignore or what is less important.

You've been able to `const [, a, b] = tuple;` for a wee while now FYI.

But yeah for every other time most linters will accept _ as "ignore this".

I had no idea that was a thing!

Thanks for teaching me something today.

Oh yeah, I always forget about that.