DOM/event-delegation.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>Event Delegation</title>
  </head>
  <body>
    <div id="output"></div>

    <script>
      const output = document.getElementById("output");
      output.innerHTML = `

            <h1>JS DOM</h1>
        <button type="button" id="btn">Add More</button>
        <ul id="list">

            <li>Who Are you?</li>
            <li>Shinra Tensei</li>
            <li>WOw</li>
            <li>Nicee</li>

            </ul>
      `;
      const list = document.querySelector("#list");
      const items = [...list.querySelectorAll("li")]; //convert nodelist to array
      const btn = document.querySelector("#btn");
      function handleClick(e) {
        console.log(e.target.nodeName);

        if (e.target.nodeName.toLowerCase() === "li") {
          console.log(e.target.innerText);
        }
        // e.target.style.display = "none";
      }
      //   items.forEach((item) => {
      //     item.addEventListener("click", handleClick);
      //   });
      list.addEventListener("click", handleClick);

      btn.addEventListener("click", () => {
        const items = list.querySelectorAll("li");
        const li = document.createElement("li");
        li.innerText = `item ${items.length + 1}`;
        list.append(li);
      });
    </script>
  </body>
</html>