Event Loop is most important topic of NodeJS. As understanding it can clarify how NodeJS works and what we mean by - Asynchronous , Non-Blocking I/O, and Event Driven Architecture.
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Video Content:
00:00 Intro
00:26 Call stack in JavaScript
01:58 Blocking I/O and Non blocking I/O
03:02 Why JavaScript uses Callbacks ?
05:20 Event loop
08:16 process.nextTick vs setImmediate vs setTimeout
12:05 Code example for event loop in Nodejs
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