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Single-Page Application Routing

Multiple Pages In Single-Page Apps

  • What & Why?
  • Using React Router
  • Data Fetching & Submission

What is a Routing?

Multi-Page Routing

Building SPAs

  • When building complex user interfaces, we typically build Single Page Applications (SPAs)
  • Only one initial HTML request & response
  • Page (URL) changes are then handled by client-side React code
  • Visible content is changed without fetching a new HTML file

React Router

How To Use

This project actually contains two projects:

  • A React.js application (i.e., the frontend SPA)
  • A dummy backend API to which the React app can "talk" (to send + fetch data)

You must run "npm install" in both project folders.

Thereafter, you can start the dummy backend API server via "npm start" (inside the "backend" folder). The React app dev server is then also started via "npm start" (though inside the "frontend" folder).

You MUST have both servers (backend + frontend) up and running for the projects to work.

The dummy backend API does not use any external database - instead the dummy data is saved to an "events.json" file inside the project folder.

Upgrading from React Router v5

React Router v5 is also still used in many projects. In case you want to learn how to update from v5 to v6, the following two (free) videos should be very helpful: