setTimeout(function wait() { const browser = document.getElementById('browser'); if (browser) { const toolbarExtensions = document.querySelector('.toolbar-extensions'); const addressbar = document.querySelector('.toolbar-addressbar'); const statusbar = document.querySelector('.toolbar-statusbar'); document.querySelector('.addwebpanel-wrapper').prepend(toolbarExtensions); statusbar.addEventListener('mouseover', () => { addressbar.classList.add('show-addressbar'); }); statusbar.addEventListener('mouseout', () => { addressbar.classList.remove('show-addressbar'); }); } else { setTimeout(wait, 300); } }, 300);