javascript / intermediate
Snippet
Resilient Parallel Async with Promise.allSettled
Unlike Promise.all, Promise.allSettled waits for all promises to finish regardless of whether they fulfilled or rejected.
snippet.js
javascript
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const promises = [fetch('/api/1'), fetch('/api/2')];const results = await Promise.allSettled(promises);results.forEach(res => console.log(res.status));
Breakdown
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Promise.allSettled(promises)
Executes multiple promises in parallel without short-circuiting on error.
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res.status
Each result object contains a status string: 'fulfilled' or 'rejected'.