dotinstall.github.io/index.html at main · taguchi/dotinstall.github.io · GitHub

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<!DOCTYPE html>
<html lang="ja">
<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>Document</title>
  <style>
    .box {
      position: fixed;
      top: 10px;
      left: 100px;
      width: 150px;
      height: 150px;
      background-color: red;
      z-index: 100;
      touch-action: none;
    }

    p {
      font-size: 25px;
      position: fixed;
      top: 200px;
      color: rgb(132, 132, 250);
    }
    span {
      font-size: 30px;
      color: blue;
    }
  </style>
</head>
<body>
  <div class="box"></div>
  <p>touchmove count :<span>1</span></p>
  <ul></ul>
  <script>
    let count = 0;
    const box = document.querySelector('.box');
    box.addEventListener('touchmove',(e)=> {
      e.preventDefault();
      count ++;
      document.querySelector('p > span').textContent = count;
    })
    for(let i = 0; i < 300; i++){
      const li = document.createElement('li');
      li.textContent = i;
      document.querySelector('ul').appendChild(li);
    }
  </script>
</body>
</html>