June 2022
Intermediate to advanced
410 pages
5h 8m
English
Content preview from Node.js: Novice to Ninja
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Chapter 15: Example Real-time Multiplayer Quiz: Express Code
The Express part of the quiz application:
- imports questions from the Open Trivia Database
- allows a player to create and start a new game with specific defaults
- allows other players to join that game
It serves all the client-side HTML, CSS, and JavaScript files. Eventually, users on the same game end up at the URL /game/<gameCode>/<playerName>, where the WebSocket server (see Chapter 16) takes over and controls the gameplay.
Docker starts two isolated HTTP servers and a single request could be directed to either by the Traefic load balancer. Even two requests from the same user on the same page—such as a CSS and JavaScript file—could be delivered by different servers. This is rarely ...
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