Introduction to React using JavaScript/ECMAScript

RCT-100 (3 Days)

React Training Overview

React is a JavaScript library for building web user interfaces. It is one of the most wanted and loved web frameworks today. React makes it painless to create interactive UIs on top of web standards. This Introduction to React using JavaScript/ECMAScript training course teaches developers the skills they need to immediately use React to build modern applications. Attendees gain hands-on experience with the latest version of React and the tools for developing React applications.

Note: This React class can also be taught using TypeScript.

Please see this course overview video including a demo of the hands-on coding students do in class to reinforce the concepts.

Location and Pricing

Accelebrate courses are taught as private, customized training for groups of 3 or more at your site. In addition, we offer live, private online training for teams who may be in multiple locations or wish to save on travel costs. To receive a customized proposal and price quote for private on-site or online training, please contact us.

In addition, some courses are available as live, online classes for individuals. See a schedule of online courses.

React Training Objectives

All students will learn how to:

Use a JavaScript package manager (either npm or Yarn)
Quickly understand the new JavaScript language features, including classes, modules, and arrow functions
Articulate what React is and why it is useful
Explore the basic architecture of a React application
Gain a deep understanding of JSX and the Virtual DOM
Use React components to build interactive interfaces
Create and validate forms using controlled components
Make HTTP calls to read or change data
Configure simple and complex routing
Implement React best practices

React Training Outline

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Introduction

Package Manager (npm/Yarn)

npm
- What is Node.js?
- What is npm?
- Using npm
- npm Scripts
Yarn
- Why Yarn?
- npm vs. Yarn
- Installation
- Using Yarn

Compiler Setup

Setup (Babel)

ES6/ES2015

Classes
Scope (var, let, const)
Arrow Functions
Modules
Template Literals
Default, Rest, Spread
Default
Rest
Spread
Destructuring
Optional Parameters
Object.assign()
Object Initializer

Project Setup (Create React App)

Create new Project
Folder Structure
Browser Support
Styles and Assets
Dependencies

Best Practices (Code Organization & Conventions)

React Overview

Why React?
What it is?
Why it is useful?
Angular, React Compared
Web application architectures
- Server-side web application architecture
- Single-page web application architecture
React Architecture

Elements

Hello World in JavaScript
Hello World in React

JSX

Replacing createElement
Embedding Expressions
Specifying Attributes

Virtual DOM

Components

Creating an Element
Create a Function Component
Rendering a Component
Creating a Class Component
Composing & Reuse

Props

Read-only
String Literals vs. Expressions
Function vs. Class Components

Events

Listening/Subscribing/Wiring to an Event
In Vanilla JavaScript
In React: Function Component
In React: Class Component
Binding
- Why Binding is Necessary?
- Class Method
- Arrow Function
Passing Parameters
- Using Arrow Functions
- Using Bind
Handling Events
- Using Arrow Functions
- Using Bind
- Synthetic Events

State

Defining
Using State Correctly
Data Flows Down
Converting a Function Component to a Class Component

Lifecycle

What are Lifecycle Methods
Understanding Mounting
Common vs. Less Common Methods
Using Lifecycle Methods

Conditional Rendering

If, else
Conditional Operator (?)
Logical (&&) Operator

Lists

In Vanilla JavaScript: for loop, array.forEach, array.map
In React: using Elements, Components
Why Keys are Needed

Component Architecture

Reuse
Component Communication
Design Patterns
- Container and Presentation Components
- Composition vs. Inheritance

Forms

Controlled Components
Reuse of Change Logic across Multiple Inputs
Handling Form Submission
Controlling Other Form Elements: select, textarea, number
Validation
Uncontrolled Components

HTTP

Axios library
Fetch API
Using with React (HTTP GET)
Refactoring for Reuse
HTTP POST, PUT, DELETE

Routing (React Router)

Installation
Basics
Handling Not Found (404) (as time permits)
Parameters (Url & Query) (as time permits)
Nesting (as time permits)

Hooks

Defined
Why Hooks?
No Breaking API Changes
Hooks API
useState
useEffect
Custom Hooks
Rules of Hooks

Build & Deploy (as time permits)

Building a React Application for Production
Deploying a React Application
Serving Apps with Client-Side Routing
Customizing Environment Variables

Conclusion

Check out our video overview of this Introduction to React course (with code samples of what attendees will do in class!) from React expert and trainer, Craig McKeachie.

Introduction to React Using JavaScript/ECMAScript Training Overview

Here's a sample React lesson demonstrating how to use a custom hook to collect form data with React. You can also download the code and demos shown in the video.

React 5-Minute Tips: React Custom Form Hooks

See other React topics in our video series, 5-minute React Tips.

40%

Lecture/Demo

60%

Lab

Course Number:

RCT-100

Duration:

3 Days

Prerequisites:

All attendees must be experienced JavaScript developers with a fairly advanced understanding of JavaScript, including prototypes and functions as first-class citizens. If your group doesn’t yet have this experience, we could readily add one or two days to the beginning of your course to appropriately prepare them.

Training Materials:

All attendees receive comprehensive courseware.

Software Requirements:

Google Chrome and/or Firefox with Firebug
Other modern browsers as desired
IDE/development environment of your choice
Other free software and lab files that Accelebrate would specify, including Node.js

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