Introduction

Saman Baboli Who am I? Co-founder and CTO Tabriz Open talks

Agenda 1 – What is Node.js? 2 – How it works? 3 – Why Node.js? 4 – Async 5 – Package Managers 6 – ECMAScript 7 – Template Engines 8 – Web Socket 9 – Frameworks 10 – Don’t use it! 11 – Where Node.js Should Be Used? 12 – load balancing 13 - Memory Management 14 - Top Companies Using Node.js 15 – Ides 16 - References Tabriz Open talks

Chrome’s V8 JavaScript engine. What is Node.js? Node.js® is a JavaScript runtime built on Chrome’s V8 JavaScript engine. Tabriz Open talks

How it works? JS Code Engine Machine Code Tabriz Open talks

How it works? V8 Chakra SpiderMonkey Tabriz Open talks همونطور که می بینید کروم از موتور وی 8 استفاده میکنه که یکی از سریع ترین ها و بهترین موتور ها برای جاوا اسکریپت هست. اج از چاکرا و موزیلا از اسپایدر مانکی بعضی وقت ها که می بینید بعضی از مروگر گر ها رفتاری های مختلفی در مقابل کد های جاوااسکریپت دارن دلیل این متفاوت بودن موتور ها هستش. V8 Chakra SpiderMonkey Tabriz Open talks

Why Nodejs? Non-blocking I/O Tabriz Open talks

Async Tabriz Open talks

Async 1 2 3 Tabriz Open talks

Async 1 3 2 // after 3s Tabriz Open talks

JavaScript everywhere ;) Why Nodejs? one single language in both client and server side. JavaScript everywhere ;) Tabriz Open talks

Why Nodejs?  Rich ecosystem Tabriz Open talks

Package Managers Node package manager Tabriz Open talks

Package Managers $ npm install "package-name" --save Save this module name in package.json file Tabriz Open talks

Package Managers Tabriz Open talks

Package Managers Tabriz Open talks

Package Managers express — Express.js, a Sinatra-inspired web development framework for Node.js. hapi — a very modular and simple to use configuration-centric framework for building web and services applications socket.io and sockjs — Server-side component of the two most common websockets components out there today. Redis — Redis client library. pm2 — run and monitoring Node.js apps in background Tabriz Open talks

Template Engines Tabriz Open talks

Template Engines Pug (jade) example Tabriz Open talks

Frameworks Tabriz Open talks

Is the name of the international standard that defines JavaScript ECMAScript Is the name of the international standard that defines JavaScript Tabriz Open talks

ECMAScript Tabriz Open talks

Web Socket Tabriz Open talks

Web Socket Tabriz Open talks

for CPU-intensive operations Don’t use it! for CPU-intensive operations Tabriz Open talks

Don’t use it! Serve static files Tabriz Open talks

Where Node.js Should Be Used? Real time apps Tabriz Open talks

Where Node.js Should Be Used? Tabriz Open talks

load balancing Tabriz Open talks

load balancing Tabriz Open talks

Memory Management garbage collection Tabriz Open talks

Top Companies Using Node.js https://stackshare.io/nodejs/in-stacks Tabriz Open talks

Ides Tabriz Open talks

Node.js is not a programming language! Node.js Be aware! Node.js is not a programming language! Node.js Tabriz Open talks

References https://medium.com/the-node-js-collection/why-the-hell-would-you-use-node-js-4b053b94ab8e https://medium.com/@samanbaboli/how-to-load-balancing-nodejs-apps-using-nginx-a3b4ceb7c782 Tabriz Open talks

Thanks a lot Everywhere @samanbaboli Tabriz Open talks