text: const DebugPopupLog = require('../src/debug-popup-log');
  
  var popupLog = new DebugPopupLog();
  popupLog.addPanel('DOM Tags', document.querySelectorAll('*').length);
  popupLog.addPanel('Window size', () => `width: ${window.innerWidth}, height: ${window.innerHeight}`);
  popupLog.addPanel('Object', { a: 1, b: 2 });
  