code: function cleanup() {
  
        // Cleaning timeout and interval
        if (damocles)
          clearTimeout(damocles);
        if (sisyphus)
          clearInterval(sisyphus);
  
        // Deleting data
        pageInformation = null;
  
        // Shunting some callbacks
        [
          'onNavigationRequested',
          'onResourceReceived',
          'onResourceError',
          'onUrlChanged',
          'onCallback',
          'onLoadFinished'
        ].forEach(function(n) {
          page[n] = Function.prototype;
        });
  
        // Cleaning page to force garbage collection
        page.evaluate(function() {
  
          // Cleaning timeouts and intervals
          var t = setTimeout(Function.prototype, 0),
              i = setInterval(Function.prototype, 100);
  
          while (t--) clearTimeout(t);
          while (i--) clearInterval(i);
  
          // Deleting current document
          document.open();
          document.close();
  
          // Deleting every variables belonging to the global scope
          Object.keys(window).forEach(function(k) {
            delete window[k];
          });
        });
  
        page.open('about:blank', function() {
  
          // Closing page
          page.close();
  
          // Annihilating page
          page = null;
  
          // Cleaning order
          order = null;
          msg = null;
        });
      }
docs: Kill