slimerjs-firefox/website/assets/js/application.js

This repo includes slimerjs as well as downloads a local copy of Firefox.

$(document).ready(function() {
      $('.bs-docs-sidenav').affix({
        offset: {
          top: function () { return $(window).width() <= 980 ? 290 : 210 }
        , bottom: 270
        }
      })
    //window.prettyPrint && prettyPrint()
})