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TCZ
TCZ

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callback hells

I'm happy that I finally learned how promise, async, await, try and catch work together! Now I can remove many callback hells that exist in my node.js project. I did not know that they were called "callback hells" when I created them. But I did find it frustrating to write deeply nested code. With the promise-async-await-try-catch sword, I feel that I can conquer the hells now.

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