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

https://n1k0.github.io/casperjs/