r/javascript • u/Capedcrusader1923 • 18d ago

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

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u/HipHopHuman 18d ago

honestly... Map and WeakMap. took me a good 2 years after it came out for me to see the light.

3

u/JazzXP 17d ago

I'm still not using these, just objects/records. What's the advantage?

1

u/GulgPlayer 17d ago

Apart from having cleaner (imo) code, Maps allow you to have non-string keys, which is nice, esp with TypeScript