DOM/remove-elements.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Removing DOM Elements</title>
    <style>
      .hidden {
        font-size: 50px;
      }
    </style>
  </head>
  <body style="text-align: center">
    <h1>JavaScript DOM</h1>
    <section id="output"></section>
    <script>
      const output = document.getElementById("output");

      output.innerHTML = `
            <div>
      You think you know me!
              </div>

            `;
      const div = document.createElement("div");
      const span = document.createElement("span");
      div.append(span);
      span.innerText = "Text will disappear soon!";
      span.classList.add("hidden"); // add class to element
      output.append(div);
      setTimeout(() => {
        div.remove();
      }, 2000);
    </script>
  </body>
</html>