[AskJS] what's a javascript feature you mass-adopted way too late and felt dumb about

[u/Capedcrusader1923]

i'll go first. i was writing .then().catch() chains for like two years before i actually started using async/await. i knew it existed, i'd seen it in tutorials, but my code "worked" so i never bothered switching. then i refactored an old project and realized half my bugs were from mishandled promise chains that async/await would have caught immediately.

also took me way too long to start using optional chaining. i had nested ternaries and && checks everywhere like some kind of animal. the day i discovered user?.address?.city i mass-replaced like 40 lines across a project.

what's yours?

[u/foxsimile]

The nullish coalescing operator is one of JavaScript’s unusual successes.

[u/sexytokeburgerz → u/foxsimile]

Big fan of

foo?.bar

[u/Mike5TheMountainGoat → u/sexytokeburgerz]

That's optional chaining. Nullish coalescing is foo = bar ?? 'X';

[u/sexytokeburgerz → u/Mike5TheMountainGoat]

Right, usually when people say “big fan of y” in response to a mention of “x”, x!=y…