plaything/example/bubble.html at master · Andself/plaything · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="Pragma" content="no-cache, no-store, must-revalidate, max-age=0">
  <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate, max-age=0">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
  <meta name="format-detection" content="telephone=no">
  <title>Andself</title>
  <style>
  .paopao {
    position: absolute;
    pointer-events: none;
    width: 24px;
    height: 24px;
    border-radius: 100%;
    animation: fade 0.8s;
  }

  @keyframes fade {
    from {
      opacity: 1;
    } to {
      opacity: 0;
      transform: translateY(-80px) scale(1.5);
    }
  }
  </style>
</head>
<body>
  <div id="app">
    <select name="mode" value="click" id="listerMode">
      <option value="click">click</option>
      <option value="mousemove">mousemove</option>
      <option value="mousedown">mousedown</option>
    </select>
  </div>
  <script>
    class Bubble {
      constructor (mode = 'click') {
        this.mode = mode
      }
      static getRandomColor () {
        return '#' + (Math.random() * (0xffffff + 1) << 0).toString(16)
      }
      createBubble (event) {
        const { clientX, clientY } = event
        const dom = document.createElement('div')
        dom.className = 'paopao'
        dom.style.left = clientX + 'px'
        dom.style.top = clientY + 'px'
        dom.style.backgroundColor = Bubble.getRandomColor()

        document.body.appendChild(dom)
        dom.addEventListener('animationend', () => { document.body.removeChild(dom) })
      }
      init () {
        document.addEventListener(this.mode, this.createBubble, false)
      }
      changeMode (newMode) {
        document.removeEventListener(this.mode, this.createBubble, false)
        this.mode = newMode
        document.addEventListener(newMode, this.createBubble, false)
      }
    }

    const myBubble = new Bubble()
    myBubble.init()

    document.getElementById('listerMode').onchange = function (event) {
      myBubble.changeMode(event.target.value)
    }
  </script>
</body>
</html>