간단한 HTML JS 예제


개요

간단한 HTML JS 예제
<!DOCTYPE html>
<html lang="ko">
<head>
  <meta charset="UTF-8" />
  <title>Example</title>
</head>
<body>

  <button id="btn" style="font-size: 3rem">+</button>
  <span id="count" style="font-size: 3rem">0</span>

  <script>
    let count = 0;
    const countEl = document.getElementById('count');
    const btn = document.getElementById('btn');

    btn.addEventListener('click', () => {
      count++;
      countEl.textContent = count;
    });
  </script>

</body>
</html>

같이 보기