Introduction_To_React.pdf

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Introduction To React

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Randy Vianda Putra, live in Bandung - Software Engineer @Docotel - Frontend Engineer @WorkLifeBeyond - Instructor @Cilsy Hello! modulloe@gmail.com github.com/randyviandaputra @randyvp

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Agenda - What is React - Who’s using React - Concept of React - Why React - Fundamental React - Build ﬁrst app using React

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Let’s Start

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What is React ? ?

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What is React ? A Javascript Library for building UI (User Interfaces), not a framework like Backbone, Angular etc, the V in MVC

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Who’s using React ? ?

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Who’s using React ?

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Concept of React ? ?

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Concept of React ? Component Virtual DOM JSX One Way DataFlow

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Component ? ?

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Build Component, not template

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Virtual DOM ? ?

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JSX ? ?

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Controller View

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https:/ /babeljs.io

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One Way DataFlow ? ?

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Why React ? ?

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“ LEARN ONCE, WRITE ANYWHERE 24

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“ VIRTUAL DOM IS CRAZY FAST! Makes re-rendering on every change fast 25

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“ Component Based Is the future of web development 26

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“ React dev tools React Chrome extension make debugging so much easier 27

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“ Easy to read and understand views 28

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“ Facebook are maintaining this project 29

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https:/ /github.com/adam-golab/react-developer-roadmap

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Install React $ npm install -g create-react-app $ create-react-app todoapp-devtalk

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Fundamentals React ?

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Component Stateless (function) Statefull (class) Represent a piece of UI

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Props - Passed down to component from parent component and represents data for the component - accessed via this.props

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State - Represents internal state of the component - Accessed via this.state - When a component's state data changes, the rendered markup will be updated by re-invoking render() method

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