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Introduction_To_React.pdf
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Randy Vianda Putra
April 27, 2019
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Introduction_To_React.pdf
Randy Vianda Putra
April 27, 2019
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Transcript
Introduction To React
Randy Vianda Putra, live in Bandung - Software Engineer @Docotel
- Frontend Engineer @WorkLifeBeyond - Instructor @Cilsy Hello! modulloe@gmail.com github.com/randyviandaputra @randyvp
Agenda - What is React - Who’s using React -
Concept of React - Why React - Fundamental React - Build first app using React
Let’s Start
What is React ? ?
What is React ? A Javascript Library for building UI
(User Interfaces), not a framework like Backbone, Angular etc, the V in MVC
Who’s using React ? ?
Who’s using React ?
Concept of React ? ?
Concept of React ? Component Virtual DOM JSX One Way
DataFlow
Component ? ?
Build Component, not template
None
Virtual DOM ? ?
None
JSX ? ?
None
Controller View
None
https:/ /babeljs.io
One Way DataFlow ? ?
None
Why React ? ?
“ LEARN ONCE, WRITE ANYWHERE 24
“ VIRTUAL DOM IS CRAZY FAST! Makes re-rendering on every
change fast 25
“ Component Based Is the future of web development 26
“ React dev tools React Chrome extension make debugging so
much easier 27
“ Easy to read and understand views 28
“ Facebook are maintaining this project 29
https:/ /github.com/adam-golab/react-developer-roadmap
Install React $ npm install -g create-react-app $ create-react-app todoapp-devtalk
Fundamentals React ?
Component Stateless (function) Statefull (class) Represent a piece of UI
None
Props - Passed down to component from parent component and
represents data for the component - accessed via this.props
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
Let’s Live Coding
Source Code https:/ /github.com/randyviandaputra/todoapp-devtalk
39 Thanks Any questions?