ReactJSNotesForProfessionals.pdf

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React JS
React JS
Notes for Professionals
Notes for Professionals
of professional hints and tricks
100+ pages
GoalKicker.com
Free Programming Books
Disclaimer
This is an unocial free book created for educational purposes and is
not aliated with ocial React JS group(s) or company(s).
All trademarks and registered trademarks are
the property of their respective owners
Contents
About
................................................................................................................................................................................... 1
Chapter 1: Getting started with React
............................................................................................................... 2
Section 1.1: What is ReactJS?
........................................................................................................................................ 2
Section 1.2: Installation or Setup
.................................................................................................................................. 3
Section 1.3: Hello World with Stateless Functions
....................................................................................................... 4
Section 1.4: Absolute Basics of Creating Reusable Components
............................................................................. 5
Section 1.5: Create React App
...................................................................................................................................... 6
Section 1.6: Hello World
................................................................................................................................................. 7
Section 1.7: Hello World Component
........................................................................................................................... 8
Chapter 2: Components
........................................................................................................................................... 11
Section 2.1: Creating Components
............................................................................................................................. 11
Section 2.2: Basic Component
................................................................................................................................... 13
Section 2.3: Nesting Components
.............................................................................................................................. 14
Section 2.4: Props
........................................................................................................................................................ 16
Section 2.5: Component states - Dynamic user-interface
...................................................................................... 17
Section 2.6: Variations of Stateless Functional Components
................................................................................. 19
Section 2.7: setState pitfalls
....................................................................................................................................... 20
Chapter 3: Using ReactJS with TypeScript
.................................................................................................... 22
Section 3.1: ReactJS component written in TypeScript
........................................................................................... 22
Section 3.2: Installation and Setup
............................................................................................................................ 22
Section 3.3: Stateless React Components in TypeScript
......................................................................................... 23
Section 3.4: Stateless and property-less Components
............................................................................................ 24
Chapter 4: State in React
...................................................................................................................................... 25
Section 4.1: Basic State
............................................................................................................................................... 25
Section 4.2: Common Antipattern
............................................................................................................................. 25
Section 4.3: setState()
................................................................................................................................................. 26
Section 4.4: State, Events And Managed Controls
................................................................................................... 28
Chapter 5: Props in React
...................................................................................................................................... 30
Section 5.1: Introduction
.............................................................................................................................................. 30
Section 5.2: Default props
.......................................................................................................................................... 30
Section 5.3: PropTypes
............................................................................................................................................... 31
Section 5.4: Passing down props using spread operator
....................................................................................... 32
Section 5.5: Props.children and component composition
....................................................................................... 33
Section 5.6: Detecting the type of Children components
........................................................................................ 34
Chapter 6: React Component Lifecycle
.......................................................................................................... 35
Section 6.1: Component Creation
............................................................................................................................... 35
Section 6.2: Component Removal
............................................................................................................................. 37
Section 6.3: Component Update
................................................................................................................................ 38
Section 6.4: Lifecycle method call in dierent states
.............................................................................................. 39
Section 6.5: React Component Container
................................................................................................................. 40
Chapter 7: Forms and User Input
....................................................................................................................... 42
Section 7.1: Controlled Components
.......................................................................................................................... 42
Section 7.2: Uncontrolled Components
..................................................................................................................... 42
Chapter 8: React Boilerplate [React + Babel + Webpack]
................................................................... 44
Section 8.1: react-starter project
............................................................................................................................... 44
Section 8.2: Setting up the project
............................................................................................................................. 45
Chapter 9: Using ReactJS with jQuery
............................................................................................................. 48
Section 9.1: ReactJS with jQuery
................................................................................................................................ 48
Chapter 10: React Routing
..................................................................................................................................... 50
Section 10.1: Example Routes.js file, followed by use of Router Link in component
............................................. 50
Section 10.2: React Routing Async
............................................................................................................................ 51
Chapter 11: Communicate Between Components
...................................................................................... 52
Section 11.1: Communication between Stateless Functional Components
............................................................ 52
Chapter 12: How to setup a basic webpack, react and babel environment
................................ 54
Section 12.1: How to build a pipeline for a customized "Hello world" with images
............................................... 54
Chapter 13: React.createClass vs extends React.Component
............................................................. 58
Section 13.1: Create React Component
...................................................................................................................... 58
Section 13.2: "this" Context
.......................................................................................................................................... 58
Section 13.3: Declare Default Props and PropTypes
............................................................................................... 60
Section 13.4: Mixins
...................................................................................................................................................... 62
Section 13.5: Set Initial State
....................................................................................................................................... 62
Section 13.6: ES6/React “this” keyword with ajax to get data from server
........................................................... 63
Chapter 14: React AJAX call
.................................................................................................................................. 65
Section 14.1: HTTP GET request
.................................................................................................................................. 65
Section 14.2: HTTP GET request and looping through data
................................................................................... 66
Section 14.3: Ajax in React without a third party library - a.k.a with VanillaJS
..................................................... 66
Chapter 15: Communication Between Components
.................................................................................. 68
Section 15.1: Child to Parent Components
................................................................................................................. 68
Section 15.2: Not-related Components
..................................................................................................................... 68
Section 15.3: Parent to Child Components
................................................................................................................ 69
Chapter 16: Stateless Functional Components
............................................................................................ 71
Section 16.1: Stateless Functional Component
.......................................................................................................... 71
Chapter 17: Performance
........................................................................................................................................ 74
Section 17.1: Performance measurement with ReactJS
.......................................................................................... 74
Section 17.2: React's di algorithm
............................................................................................................................ 74
Section 17.3: The Basics - HTML DOM vs Virtual DOM
............................................................................................ 75
Section 17.4: Tips & Tricks
........................................................................................................................................... 76
Chapter 18: Introduction to Server-Side Rendering
................................................................................. 77
Section 18.1: Rendering components
......................................................................................................................... 77
Chapter 19: Setting Up React Environment
................................................................................................... 78
Section 19.1: Simple React Component
..................................................................................................................... 78
Section 19.2: Install all dependencies
........................................................................................................................ 78
Section 19.3: Configure webpack
............................................................................................................................... 78
Section 19.4: Configure babel
..................................................................................................................................... 79
Section 19.5: HTML file to use react component
...................................................................................................... 79
Section 19.6: Transpile and bundle your component
.............................................................................................. 79
Chapter 20: Using React with Flow
.................................................................................................................... 80
Section 20.1: Using Flow to check prop types of stateless functional components
............................................. 80
Section 20.2: Using Flow to check prop types
......................................................................................................... 80
Chapter 21: JSX
............................................................................................................................................................ 81
Section 21.1: Props in JSX
............................................................................................................................................ 81
Section 21.2: Children in JSX
....................................................................................................................................... 82
Chapter 22: React Forms
........................................................................................................................................ 85
Section 22.1: Controlled Components
........................................................................................................................ 85
Chapter 23: User interface solutions
................................................................................................................ 87
Section 23.1: Basic Pane
.............................................................................................................................................. 87
Section 23.2: Panel
...................................................................................................................................................... 87
Section 23.3: Tab
......................................................................................................................................................... 88
Section 23.4: PanelGroup
............................................................................................................................................ 88
Section 23.5: Example view with `PanelGroup`s
....................................................................................................... 89
Chapter 24: Using ReactJS in Flux way
........................................................................................................... 91
Section 24.1: Data Flow
............................................................................................................................................... 91
Chapter 25: React, Webpack & TypeScript installation
......................................................................... 92
Section 25.1: webpack.config.js
.................................................................................................................................. 92
Section 25.2: tsconfig.json
.......................................................................................................................................... 92
Section 25.3: My First Component
............................................................................................................................. 93
Chapter 26: How and why to use keys in React
.......................................................................................... 94
Section 26.1: Basic Example
........................................................................................................................................ 94
Chapter 27: Keys in react
....................................................................................................................................... 95
Section 27.1: Using the id of an element
................................................................................................................... 95
Section 27.2: Using the array index
........................................................................................................................... 95
Chapter 28: Higher Order Components
.......................................................................................................... 97
Section 28.1: Higher Order Component that checks for authentication
................................................................ 97
Section 28.2: Simple Higher Order Component
....................................................................................................... 98
Chapter 29: React with Redux
.............................................................................................................................. 99
Section 29.1: Using Connect
....................................................................................................................................... 99
Appendix A: Installation
......................................................................................................................................... 100
Section A.1: Simple setup
.......................................................................................................................................... 100
Section A.2: Using webpack-dev-server
................................................................................................................. 101
Appendix B: React Tools
....................................................................................................................................... 103
Section B.1: Links
....................................................................................................................................................... 103
Credits
............................................................................................................................................................................ 104
You may also like
...................................................................................................................................................... 106
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React JS Notes for Professionals
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