Dark Theme
Unsere schönsten Vasen

<div class="cl"> <div id="switch">Dark Theme</div> <h3>Unsere schönsten Vasen</h3> <button class="btn" id="more">Mehr dazu</button> <div class="vasen"> <img src="vasen.png" width="996" height="527" alt="vasen"> </div> </div>
function switchTheme() { const cl = document.querySelector(".cl"); cl.classList.toggle("dark"); if (cl.classList.contains("dark")) { document.querySelector("#switch").textContent = "Light Theme"; } else { document.querySelector("#switch").textContent = "Dark Theme"; } } function showMore() { document.querySelector(".vasen").classList.add("show"); } document.querySelector("#switch").onclick = switchTheme; document.querySelector("#more").onclick = showMore;