Discussion on: [Challenge] Add numbers without (+-*/)

[Jon Randy 🎖️]

const add=(a,b,c)=>{for(;b;c=a&b,a=a^b,b=c<<1);return a}

A bit shorter (if you don't mind polluting namespace):

const add=(a,b)=>{for(;b;c=a&b,a=a^b,b=c<<1);return a}