The answer
Because it is synchronous-looking, making control flow clear. Error handling with try/catch is intuitive. Debugging is easier because the call stack in errors reflects the async/await structure, not a callback chain that loses context.
async/await vs Callbacks vs Promises in Node.js: Which to Use
Why is async/await better than callbacks in Node.js?
More FAQs in async/await vs Callbacks vs Promises in Node.js: Which to Use
Use async/await for all new code. It is the cleanest, most readable, and easiest to debug. Use promises directly when you need Promise.all or specific methods. Use callbacks only for EventEmitter and older APIs that require them.
Nesting creates the pyramid of doom, and error handling is easy to miss since each callback needs its own error argument. Promises and async/await flatten this and make error handling consistent, which is why they are preferred.
For EventEmitter, where listeners are callbacks. Some older APIs also use callbacks. For these, wrap them in promises if you want async/await, or use them directly when wrapping adds no clarity to the code.
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