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Any javascript topics you like to see ?

What javascript topics you would like me to explain or make a tutorial on ?
Please let me know in the comments and i will make a post on it

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An Animated Guide to Node.js Event Loop

Node.js doesn’t stop from running other operations because of Libuv, a C++ library responsible for the event loop and asynchronously handling tasks such as network requests, DNS resolution, file system operations, data encryption, etc.

What happens under the hood when Node.js works on tasks such as database queries? We will explore it by following this piece of code step by step.