What you'll need

To participate in the codelabs, you will need a basic knowledge of HTML, CSS and JavaScript and a laptop with the following software installed: 

We also recommend you download (or clone) the codelab source code before the event:

Your First Progressive Web App
Source code: ziprepo

Debugging Service Workers
Source code: ziprepo

Frictionless Payments
Source code: zip, repo

Push Notifications
Source code, ziprepo