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Build App with Nodejs - YWC Workshop
This document provides an introduction to Node.js, including: - Node.js allows JavaScript to be run on the server-side using the V8 JavaScript engine. - It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. - Node.js supports module-driven development through NPM, which has over 250,000 packages available.
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Build App with Nodejs - YWC Workshop
- 1. Node.js For Beginner Kao#YWC9 Software Engineer @ jitta.com
- 2. What is Node.js •Created by Ryan Dahl in 2009 • Server-side JavaScript • Uses V8 is an open source JavaScript engine developed by Google. Its • written in C++ and is used in Google Chrome Browser • Event-driven with Non-blocking I/O
- 3. The Essence ofNode • JavaScript on the Server • More than server-side JavaScript • Fabulous framework • Asynchronous programming • Module-driven development
- 4. It’s is JavaScript •Easy to learn • Lets you unify your client/server logic • Productivity • Already in the Enterprise (Paypal, Netflix, Walmart, IBM)
- 5. More than server-side JavaScript •Web server • Robot controller (tessel.io) • Command line application • Proxy server • Music machine • Desktop application tooling: NW.js, Electron
- 6. Module-driven development • NodePackage Manager (NPM) • 250,000++ total packages • 160,000,000 downloads per day • Simplicity • Decoupled and reusable coding
- 7. Module-driven development • npmfocused on module-driven development • ES6 Modules • Module-driven development for the browser • bower install moment —save • npm install moment —save
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- 11. Fabulous Framework • Express •Restify (for building REST API) • Hapi (configuration-centric framework) • Sails (fast production-ready) • Meteor (realtime application)
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- 16. What is Nodemade of?
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- 18. V8 JavaScript Engine •V8 is Google's open source JavaScript engine • V8 implements ECMAScript as specified in ECMA-262 • V8 is written in C++ and is used in Google Chrome, the open source browser from Google • V8 can run standalone, or can be embedded into any C++ application
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- 21. Stream • A sequenceof data made available over time
- 22. Buffer • A temporaryholding spot for data being moved from one place to another Hello World Buffer Buffer
- 23. Stream Lorem ipsum dolorsit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in lowercase.txt LOREM IPSUM DOLOR SIT AMET, CONSECTETUR ADIPISICING ELIT, SED DO EIUSMOD TEMPOR INCIDIDUNT UT LABORE ET DOLORE MAGNA ALIQUA. UT ENIM AD MINIM VENIAM, QUIS NOSTRUD EXERCITATION ULLAMCO LABORIS NISI uppercase.txt stream
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- 28. Stream LOREM IPSUM DOLOR SITAMET, CONSECTETUR ADIPISICING ELIT, SED DO EIUSMOD TEMPOR INCIDIDUNT UT LABORE ET DOLORE MAGNA ALIQUA. UT ENIM AD MINIM VENIAM, QUIS NOSTRUD EXERCITATION ULLAMCO LABORIS NISI uppercase.txt
- 29. What is pipe •Connecting two streams by writing to one stream • Let you easily read data from a source and pipe it to a destination
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- 32. Build App withNode
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- 37. What’s JavaScript onServer- side • Read and write file • Connect with databases • Build web server • Asynchronous task queue/job queue
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