Overview

This 3-day course is a complete guide to building scalable web applications using Facebook’s popular ReactJS library, leveraging the power of a virtual DOM to create fast, fluid UIs.

An overview of the library is given and then a small application is developed using the ‘Thinking in React’ steps recommended by Facebook. Learners will be able to create components to create static versions of applications. Using Props, State (using Hooks) and inverse data flow, a fully functioning application will be created. Techniques to use external data sources is explored, along with relevant lifecycle hooks. Creating a single page application through the use of routing is covered. Finally, state management tools such as Context and Reducers are introduced as a way of handling application data in large scale applications.

Delivery is through instructor-led explanations and short follow-up exercises that allow learners to experiment with code. A practical agile-style project is included for learners to complete, either as a collaborative group or individually.

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Prerequisites

It is essential you understand the face of contemporary web development to attend this course. We insist upon JavaScript experience equivalent to the skills covered in Programming with JavaScript (QAJAVSC) along with good HTML and CSS skills (as covered in QAHTMLCSS).

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Learning Outcomes

By the end of the course, you will be able to:

  • Create React Components
  • Perform some simple tests
  • Think in React
  • Add state and props to an application
  • Add inverse data flow to an application
  • Use some common React Hooks
  • Use external services to provide data
  • Set up a single page application
  • Use Context and Reducers
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Course Outline

React Introduction

  • To become aware of what React is
  • To be aware of developer tools available for React
  • To be able to set up the developer environment and a skeleton React application
  • To be aware of the security concerns with React

Components and JSX

  • To understand what components are
  • To know what JSX is and why it is used in React JS
  • To be able to create Functional and Class Components
  • To be able to add multiple components
  • To know how to inspect components in the Browser
  • To understand how the in-browser tools work

Introduction to Testing with Jest

  • To understand how tests are set up and run in a create-react-app React application
  • To have an overview of the Jest testing library
  • To be able to run and access code-coverage reports for tests

Thinking in React – Parts 1 and 2 – Component Hierarchy and Static Versions

  • To understand the development methodology suggested for React applications
  • To be able to identify the component hierarchy for a given application
  • To be able to build a static version of an application
  • Understand how to use Props in components
  • To be able to test Component snapshots and Components with props
  • To be able to Mock components when testing

Thinking in React – Parts 3 and 4 – Identifying and Adding State

  • To be able to identify State in an application and add it to the appropriate component
  • To be able to work with Form data within the application

Thinking in React – Part 5 – Inverse Data Flow

  • To be able to use inverse data flow in applications
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Why choose QA

Special Notices

Please note that from the 29th April onwards, this course will be delivered over 4 days instead of 3.

Dates & Locations

Software Engineering learning paths

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Certificates of Achievement are issued at the end the course, either as a hard copy or via email. Read more here.

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