CasperJS is a JavaScript based navigation scripting & testing utility for PhantomJS (WebKit) and SlimerJS (Gecko). See SpookyJS for the use of CasperJS inside of node.js.
Definition:
From the Official Documentation:
CasperJS is an open source navigation scripting & testing utility written in JavaScript for the phantomjs webkit headless browser and slimerjs (gecko). 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
