cm0002@lemmy.world to Programmer Humor@programming.dev · 1 month agoWhich of these javascript expressions is false?imagemessage-square83linkfedilinkarrow-up1514arrow-down111
arrow-up1503arrow-down1imageWhich of these javascript expressions is false?cm0002@lemmy.world to Programmer Humor@programming.dev · 1 month agomessage-square83linkfedilink
minus-squaresmlckz@programming.devlinkfedilinkarrow-up2·edit-221 days 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.