Karma

Run unit tests in browsers, mobile device, tablet device, or headless PhantomJS instance
Great for AngularJS
- Because AngularJS does a lot of DOM manipulation
- Great to check it works across all browsers
Unit tests can be described with Jasmine, Mocha, QUnit, or anything adapter

Flow

Starts web server
Embeds javascript to test
Embeds specs
Runs tests and displays results