Build an AngularDart & Firebase Web App - Codelab steps This codelab walks you through using AngularDart and Firebase to create a web app with a realtime shared counter. Codelab: https://codelabs.developers.google.com/codelabs/angulardart-firebase-web-app/ Final source code: https://github.com/Janamou/firebase-counter Try it: https://janamou.github.io/firebase-counter/