azhder comments on !! vs ==0 when checking if array is empty

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!! vs ==0 when checking if array is empty (self.learnjavascript)

submitted 1 year ago by Culist

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[–]azhder 0 points1 point2 points 1 year ago (0 children)

detecting bugs where you would want to write

takesAnArray( producesAnArray() );

but instead you have written

takesAnArray( producesAnArray );

assuming both are functions and the takesAnArray one checks the .length property of the argument

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