JavaScript 2025 · Promises and fetch
Wait for all promises, whatever happens
Get the outcome of every promise, including failures.
const results = await Promise.allSettled([a(), b(), c()]);
Official JavaScript 2025 documentation
More promises and fetch commands
- Fetch JSON
- POST JSON
- Time out a request
- Handle errors in async code
- Run promises in parallel
- Pause for a while
All promises and fetch commands · JavaScript 2025 cheatsheet