1. What the heck is event loop in JavaScript?

This video explains about how chrome’s V8 engine, webapis (click,setTimeout, http etc) and event queue works together What the heck is event loop?

2. Simulation of how asychronous callback works with event queue in JS?

Following links shows you an editor which simulates how JS code is executed under the hood. Loup

3. Documentries of world class leaders

4. Useful resources for learning web development

I use following resources to learn and upgrade myself every year :). It might be useful for anyone reading this post. I love sharing useful tips on twitter @jitubutwal144 as well.

5. How browser works under the hood?