JavaScript & TypeScript · Learning Space

Rohan DasL1 Seed

2 weeks ago

Question

Promise.all vs Promise.allSettled: when should I use which?

I'm loading a dashboard from 4 APIs. If one fails the whole page breaks with Promise.all. Is allSettled the right fix?

Tanvi RaoL1 Seed

2 weeks ago

Question

What's the difference between == and ===?

My teacher said always use === but didn't explain why. Can someone explain with an example?

Arjun MehtaL2 Sprout

2 weeks ago

Note

TIL: structuredClone() is built into every modern runtime

Stop using JSON.parse(JSON.stringify(obj)) for deep copies. structuredClone(obj) handles Dates, Maps, Sets and circular references, and works in browsers, Node 17+ and Deno. It can't clone functions o

Pooja BansalL1 Seed

3 weeks ago

Question

How do I type an API response in TypeScript without writing everything by hand?

Our backend returns large JSON objects. Writing interfaces manually is slow and they get out of date. Is there a better way?