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0 pointshellcow2y ago0 comments

Unless you’re testing if something is null or undefined, in which case a single “x != null” handles it.

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fzzzy2y ago

Sure. I usually just use !x for that.

SamBam2y ago

That doesn't test if it's null or undefined, that just tests if it's not falsy.

x = 0; !x → true

y = ""; !y → true

z = null; !z → true

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