cm0002@lemmy.world to Programmer Humor@programming.dev · 6 天前Which of these javascript expressions is false?lemmy.mlimagemessage-square81linkfedilinkarrow-up1506arrow-down111cross-posted to: [email protected]
arrow-up1495arrow-down1imageWhich of these javascript expressions is false?lemmy.mlcm0002@lemmy.world to Programmer Humor@programming.dev · 6 天前message-square81linkfedilinkcross-posted to: [email protected]
minus-squarejaark@infosec.publinkfedilinkEnglisharrow-up5arrow-down1·edit-25 天前I don’t think my sanity can take all of these explanations. Though I just spotted one that’s worse than null being an object … typeof NaN "number" I mean, come on… it’s even in the fucking name! Edit - fixed capitalisation in ‘NaN’
minus-squarezarkanian@sh.itjust.workslinkfedilinkarrow-up5·5 天前Douglas Crockford has a whole chapter of these in his latest book. There’s also this classic video.
minus-squareNat (she/they)@lemmy.blahaj.zonelinkfedilinkarrow-up4·5 天前Number = IEEE-754 double precision float, which includes NaN, so it makes sense
I don’t think my sanity can take all of these explanations.
Though I just spotted one that’s worse than null being an object …
typeof NaN "number"I mean, come on… it’s even in the fucking name!
Edit - fixed capitalisation in ‘NaN’
Douglas Crockford has a whole chapter of these in his latest book. There’s also this classic video.
Number = IEEE-754 double precision float, which includes NaN, so it makes sense