cm0002@lemmy.world to Programmer Humor@programming.dev · 2 个月前Which of these javascript expressions is false?lemmy.mlimagemessage-square83fedilinkarrow-up1511arrow-down111
arrow-up1500arrow-down1imageWhich of these javascript expressions is false?lemmy.mlcm0002@lemmy.world to Programmer Humor@programming.dev · 2 个月前message-square83fedilink
minus-squareFooBarrington@lemmy.worldlinkfedilinkarrow-up14·2 个月前typeof null === "object" was actually a bug in the early implementations, and they decided to keep it in the spec: https://2ality.com/2013/10/typeof-null.html (see the comment from Brendan Eich)
minus-squaregnutrino@programming.devlinkfedilinkEnglisharrow-up19·edit-22 个月前Tony Hoare: “Introducing NULL was a billion-dollar mistake” Brendan Eich: “Hold my undefined”
minus-squareFooBarrington@lemmy.worldlinkfedilinkarrow-up22·2 个月前We had one null, yes. But what about second null?
typeof null === "object"was actually a bug in the early implementations, and they decided to keep it in the spec: https://2ality.com/2013/10/typeof-null.html(see the comment from Brendan Eich)
Tony Hoare: “Introducing NULL was a billion-dollar mistake”
Brendan Eich: “Hold my undefined”
We had one
null, yes. But what about secondnull?