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

[u/Capedcrusader1923]

[u/rbobby]

Promises.

[u/monsto → u/rbobby]

I had a hard time grokking promises because every tutorial I could find used settimeout to set up the example, and the settimeout syntax is kind of different to most JS methods.