GraphQL by Example

Editorial course preview

What the public course preview actually shows

These 4 complementary views highlight concrete, legible examples from the course presentation.

A screenshot of a Visual Studio Code editor window displaying a JavaScript file named server.js. The code imports Apollo Server and defines a GraphQL schema for a greeting query, a — Preview 1 of 4
This image displays the server-side implementation of a basic GraphQL API using Apollo Server in Node.js, showing the definition of type definitions and resolvers.

A screenshot of a Visual Studio Code editor displaying a JavaScript file named requests.js with GraphQL mutation and query definitions. — Preview 2 of 4
The code editor displays the requests.js file containing JavaScript code that defines a createJobMutation and companyQuery using tagged template literals for GraphQL operations.

A computer screen displaying a web-based chat application running in three separate browser windows labeled 'Chatting as alice', 'Chatting as bob', and 'Chatting as charlie'. The ' — Preview 3 of 4
The image demonstrates a real-time GraphQL chat application where messages sent by one user instantly appear across multiple client views for Alice, Bob, and Charlie.

A computer screen displaying a code editor with an open package.json file listing dependencies such as express and jsonwebtoken, alongside a terminal window where an npm install is — Preview 4 of 4
The development environment displays the project configuration in a JSON file with specific server dependencies while the terminal prepares to install them.