What are the best practices for using promises in Node.js?
Some best practices include using Promise.all
for concurrent operations, handling errors with .catch()
, and avoiding callback hell.
Can you explain how to handle errors properly with promises?
Certainly! Always use .catch()
at the end of your promise chain to handle errors. You can also use try/catch
with async/await.
What about using async/await? Is it better than promises?
Async/await is syntactic sugar over promises, making your code cleaner and easier to read. It's generally preferred for handling asynchronous code.
Are there any common pitfalls to avoid when using promises?
Yes, common pitfalls include forgetting to return promises in chains, not handling rejections, and mixing callbacks with promises.
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