The video tutorial on FreeCodeCamp.org made by Curran Kelleher: https://www.youtube.com/watch?v=_8V5o2UHG0E&list=WL&index=1&t=39243s
This repository used rollup.js as the JavaScript module bundler.
https://population.un.org/wpp/Download/Standard/Population/
https://vizhub.com/curran/8704c9b7c6df43cabf839aa3f1cb7b70?edit=files&file=index.js&mode=mini
Open public/index.html
in modern browser such as Chrome or Firefox directly.
To further develop the project by updating JavaScript, can run
npm run bulid
or watch changes and auto compile:
npm run watch