Here is a desert game written in sophisticated JS. It uses Webpack. Make sure that tools like npv, npm, npx, and webpack are installed.
Then, delete thingies in /dist/ folder. in root folder of project run npx webpack. To test things use npm i -g live-server (this command is for installing a live server) and npm run start (this command is for running live server) while staying in root folder.
dist/desertgame.js is a final file