Download the project. Run npm init to initalize npm project.

Install npm packages.

npm install 

or

npm i

Now build and run

npm run build
npm run start

You can now open the project at below link and port https://localhost:8080

Prashant Kabra

http://es6-features.org/ https://regex101.com https://ponyfoo.com/articles/es6-maps-in-depth developer.mozilla.org