Intern : Intern is a complete test system for JavaScript designed to help you write and run consistent, high-quality test cases for your JavaScript libraries a...
boomerang : boomerang is a piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of vie...
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
domsnitch : A passive reconnaissance tool inside the DOM (experimental)
JSHint : This is JSHint, a tool that helps to detect errors and potential problems in your JavaScript code.