First you need to install node.js and npm. Any recent version will do.
$ node --version
v23.9.0
$ npm --version
10.9.2cd web/ # you must be inside the (repository-root)/web/ directory
npm install
npm run build # important for local development
npm run startAnd open your browser at http://localhost:8081.
Ensure you have a "clean" working tree (no console errors, uncommited files, etc) :
cd web/ # you must be inside the (repository-root)/web/ directory
npm run deployThis may take a few minutes before you see the changes on the following URL !!
And open your browser at https://com-480-data-visualization.github.io/Dateam/.
If you don't see your new website version at the above URL after 10 minutes, something went wrong.