function initToggle() { const toggleSwitch = document.querySelector('.toggle input[type="checkbox"]'); const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null; function switchTheme(e) { if (e.target.checked) { document.documentElement.setAttribute('data-theme', 'dark'); localStorage.setItem('theme', 'dark'); //add this } else { document.documentElement.setAttribute('data-theme', 'light'); localStorage.setItem('theme', 'light'); //add this } } toggleSwitch.addEventListener('change', switchTheme, false); if (currentTheme) { document.documentElement.setAttribute('data-theme', currentTheme); if (currentTheme === 'dark') { toggleSwitch.checked = true; } else { toggleSwitch.checked = false; } } document.querySelectorAll('.spacer').forEach(function (el) { el.style.display = 'none'; }); document.querySelectorAll('.toggle').forEach(function (el) { el.style.display = 'unset'; }); }