Callback-Based Asynchronous Programming vs Promises

Developers should learn callback-based async when working with environments that rely on non-blocking I/O, such as Node meets developers should learn promises to manage asynchronous tasks like api calls, file i/o, or database queries without falling into 'callback hell'. Here's our take.

Callback-Based Asynchronous Programming

Nice Pick

Developers should learn callback-based async when working with environments that rely on non-blocking I/O, such as Node

Pros

• js for server-side JavaScript, to build scalable applications that handle many simultaneous connections efficiently
• Related to: javascript, node-js

Cons

• Specific tradeoffs depend on your use case

Promises

Developers should learn Promises to manage asynchronous tasks like API calls, file I/O, or database queries without falling into 'callback hell'

Pros

• They are essential for modern web development, especially when working with frameworks like React or Node
• Related to: javascript, async-await

Cons

• Specific tradeoffs depend on your use case

The Verdict

Use Callback-Based Asynchronous Programming if: You want js for server-side javascript, to build scalable applications that handle many simultaneous connections efficiently and can live with specific tradeoffs depend on your use case.

Use Promises if: You prioritize they are essential for modern web development, especially when working with frameworks like react or node over what Callback-Based Asynchronous Programming offers.

The Bottom Line

Callback-Based Asynchronous Programming wins

Developers should learn callback-based async when working with environments that rely on non-blocking I/O, such as Node