Introduction to React using JavaScript/ECMAScript

RCT-100 (3 Days)

React Training Overview

React is a popular, high-performance JavaScript library for building rapidly responsive user interfaces.

Accelebrate’s Introduction to React using JavaScript/ECMAScript training course teaches experienced JavaScript developers the skills they need to immediately implement React in their applications.

Location and Pricing

Most Accelebrate courses are taught as private, customized training for 3 or more attendees at our clients' sites worldwide. In addition, we offer live, private online classes for teams who may be in multiple locations or wish to save on travel costs. Please visit our client list for organizations for whom we have delivered onsite training. 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:

Understand what React is and the problems it addresses
Use React components to build interactive interfaces
Create forms
Configure simple and complex routing
Master advanced React skills
Learn React best practices

React Training Outline

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Introduction

Setup

Verifying Node.js and either NPM or yarn
Verifying class libraries
Verifying class files
IDE (WebStorm or Visual Studio Code preferred)

Introduction to React

What problem(s) does React solve?
- Traditional, pre-JS web applications
- Late-model, MV* and JS web applications
React’s solutions
- Single-page apps
- View libraries
- Helper libraries
React development environment
- Simplicity: create-react-app
- Build-your-own: an overview
Hello world
- Your first React component
- Using React within a page
- Making some basic changes
- React and JSX

Components

Two types of components
- Functional components
- Class-based components
- Why use one or the other?
- Testing basic components
Props and state
- Passing in properties
- Limitations of properties
- Using state
- When to use state, when to use props
- Testing components with Enzyme
Event handling
- React event handling
- Synthetic events
- React vs DOM event handling
- Testing events
Children
- Components within components
- Known children and unknown children
- Testing child components
Parent-child component communication
- Communication from parent to child
- Communication from child to parent
- Container vs presentational components

React Component Lifecycle

Overview
Startup and mounting
- Deprecated methods
Updating
- Deprecated methods
Unmounting
Calling lifecycle methods in tests
Error handling and error boundaries

Intermediate component usage

PropTypes
- Typing and React
- Using PropTypes
- PropTypes in production
Asynchronous data
- When should asynchronous fetching be done?
- What challenges does async offer?
- Asynchronous best practices
- Testing against async fetches
Lists of data
- Iterating over a list
- The key property
- Sorting data
Testing component interactions

Forms

Controlled vs uncontrolled components
- What does React know about your form field?
- Does React control your form field?
- When does React find out about changes to your form field?
Form field types
- Controlling a text field
- Other form fields
Getting data out of a form
Working with form data in tests

Introduction to routing

What problem is routing trying to solve?
How does routing solve this problem?
- Tying components to URLs
- Passing parameters via the URL
Routing software
- React-router
- Other routers
Simple router example
Testing routing

More complex routing

Top-level routing
- Routing at the top of your application
- Allowing other parts of the application to manage routing
Redirects
React-router objects
- match
- history
- location
Routing organizational techniques
Testing advanced routing

Hooks

What are hooks, and what problem do they solve?
Defined hooks
- The state hook
- The effect hook
Rules of hooks
Using hooks today
Building your own hooks

Advanced React

Understanding and optimizing reconciliation
- Best practices for React reconciliation
- Recognizing common issues
- Making improvements
Refs
- What’s a ref?
- What problem does it solve?
- How can I use refs?
- The challenges of testing refs
Context
- What is the context API?
- Is the context API public?
- How to use the context API
- Testing the context API
Render props
- Rendering in depth
- Rendering a function instead of a prop
- Using the render prop pattern
- Testing render props

Conclusion

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.

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

35%

Lecture/Demo

65%

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

Contact Us:

Accelebrate’s training classes are available for private groups of 3 or more people at your site or online anywhere worldwide.

Don't settle for a "one size fits all" public class! Have Accelebrate deliver exactly the training you want, privately at your site or online, for less than the cost of a public class.

For pricing and to learn more, please contact us.

Email to [email protected]

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877 849 1850

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Toll-free in US/Canada:
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International:
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