cm0002@lemmy.world to Programmer Humor@programming.dev · 2 months agoWhich of these javascript expressions is false?lemmy.mlimagemessage-square65fedilinkarrow-up11arrow-down10cross-posted to: [email protected]
arrow-up11arrow-down1imageWhich of these javascript expressions is false?lemmy.mlcm0002@lemmy.world to Programmer Humor@programming.dev · 2 months agomessage-square65fedilinkcross-posted to: [email protected]
minus-squaresmlckz@programming.devlinkfedilinkarrow-up0·edit-21 month agoAnother way to check whether a number is NaN: const isNaN = res !== res; As NaN is the only value out there that is not equal to itself. See my other comment on this post for more: https://programming.dev/comment/17221245 This comparison should work in every programming language out there that implements/respects/uses IEEE 754 floating point numbers.
Another way to check whether a number is
NaN
:As
NaN
is the only value out there that is not equal to itself. See my other comment on this post for more: https://programming.dev/comment/17221245This comparison should work in every programming language out there that implements/respects/uses IEEE 754 floating point numbers.