CasperJS is an open source navigation scripting & testing utility written in Javascript and based on PhantomJS — the scriptable headless WebKit engine. It eases the process of defining a full navigation scenario and provides useful high-level functions, methods & syntactic sugar for doing common tasks such as: * defining & ordering browsing navigation steps * filling & submitting forms * clicking & following links * capturing screenshots of a page (or part of it) * testing remote DOM * logging events * downloading resources, including binary ones * writing functional test suites, saving results as JUnit XML * scraping Web contents