Yes, I found it

Thanks Surma to answer this questions, I'll read them and How can I find answers for rest of questions ? I need to know how my code works!

Hi Surma, Thanks for AMA!!. I'm a web developer I need to know how browser render a website? How JavaScript execution in V8 or any other engines How can I monitor that JavaScript execution Memory and CPU usage of each and every line of code How network layer works How CSS works Can I see everything in the render cycle How Chrome developer tools works How developer tools capture performance and networks Where is the cached files store in Client's OS may you please answer ?