aspen-elements/aspen-nav-item-mixin

The Polymer library makes it easy to create your own web components. Give your element some markup and properties, and then use it on a site. Polymer provides features like dynamic templates and data binding to reduce the amount of boilerplate you need to write

Utility classes to make building demo pages easier

A simple element to fixture DOM for tests

Web Components Polyfills

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

simple, flexible, fun test framework

Client-side library for testing web-components with Mocha.