Dynamic

Promises/Futures vs Callbacks

Developers should learn Promises/Futures to manage asynchronous code more effectively, such as in web development for API calls, file I/O, or database queries, avoiding 'callback hell' and improving code readability meets developers should learn callbacks to manage asynchronous tasks effectively, such as handling api responses, file operations, or ui events in web development. Here's our take.

🧊Nice Pick

Promises/Futures

Nice Pick

Pros

+They are essential in modern JavaScript/TypeScript, Python (asyncio), and Java (CompletableFuture) for building responsive applications that handle concurrent operations without blocking the main thread
+Related to: async-await, callbacks

Cons

-Specific tradeoffs depend on your use case

Callbacks

Developers should learn callbacks to manage asynchronous tasks effectively, such as handling API responses, file operations, or UI events in web development

Pros

+They are essential in environments where blocking operations would degrade performance, like in Node
+Related to: javascript, asynchronous-programming

Cons

-Specific tradeoffs depend on your use case

The Verdict

Use Promises/Futures if: You want they are essential in modern javascript/typescript, python (asyncio), and java (completablefuture) for building responsive applications that handle concurrent operations without blocking the main thread and can live with specific tradeoffs depend on your use case.

Use Callbacks if: You prioritize they are essential in environments where blocking operations would degrade performance, like in node over what Promises/Futures offers.

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The Bottom Line

Promises/Futures wins

Learn about Promises/Futures →Learn about Callbacks →

Disagree with our pick? nice@nicepick.dev