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Introduction to Node.Js

Emorphis - Node.Js

What is Node.Js? A JavaScript run time environment running Google Chrome Js V8 engine a.k.a. server-side solution for JS Compiles JS, making it really fast Runs over the command line Designed for high concurrency Without threads or new processes Never blocks, not even for I/O Uses the CommonJs framework Making it a little closer to a real object oriented language Why Node.Js? Non Blocking I/O V8 Javascript Engine Single Thread with Event Loop 40,025 modules Windows, Linux, Mac 1 Language for Frontend and Backend Active community Concurrency: The Event Loop Instead of threads Node uses an event loop with a stack Alleviates overhead of context switching  Thread Vs. Event Driven Thread lock application/request with listener-workers threads, Whereas in event driven its only one thread, which r ...

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