jQasper is a jQuery proxy for CasperJS. It lets you write jQuery-style DOM manipulations in CasperJS.
npm install jqasper
var casper =$ =url = '';casperstarturl;casper;casper;
What if jQuery isn't loaded?
If you're opening a webpage from CasperJS that doesn't have jQuery loaded, you can have CasperJS load it for you by following these instructions.