| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127 | <!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>Document</title>  <style>    * {      margin: 0;      padding: 0;    }    ul {      list-style: none;    }    #container {      width: 590px;      height: 470px;      overflow: hidden;      margin: 100px auto;      position: relative;    }    #img-box {      width: 2950px;      position: absolute;      left: 0;      /* 向左移动  延迟时间  匀速执行 */      transition: left 2s linear;    }    #img-box img {      float: left;    }    #btns {      position: absolute;      right: 10px;      bottom: 10px;    }    #btns li {      width: 20px;      height: 20px;      background: aqua;      color: #eee;      border-radius: 10px;      text-align: center;      line-height: 20px;      float: left;      margin-right: 5px;    }    #btns .select {      background: red;    }    #next,    #prev {      width: 40px;      height: 40px;      position: absolute;      top: 215px;      opacity: 0.4;      display: none;    }    #next {      right: 0;    }    #next span {      font-size: 40px;    }    #prev span {      font-size: 40px;    }  </style></head><body>  <div id="container">    <div id="img-box">      <img class="selected choice" src="image/1.jpg" alt="">      <img class="selected" src="image/2.jpg" alt="">      <img class="selected" src="image/3.jpg" alt="">      <img class="selected" src="image/4.jpg" alt="">      <img class="selected" src="image/5.jpg" alt="">    </div>    <ul id="btns">      <li class="select">1</li>      <li>2</li>      <li>3</li>      <li>4</li>      <li>5</li>    </ul>    <div id="next">      <span class="iconfont icon-24gl-nextSquare"></span>    </div>    <div id="prev">      <span class="iconfont icon-24gl-previousSquare"></span>    </div>  </div>  <script>    var btn = document.getElementsByTagName('li')    var imgs = document.getElementsByClassName('selected')    var imgBox = document.getElementById('img-box')    for (var i = 0; i < btn.length; i++) {      btn[i].index = i      btn[i].onclick = function () {        for (var j = 0; j < btn.length; j++) {          btn[j].className = ''        }        this.className = 'select'        imgBox.style.left = -590 * this.index + 'px'      }    }  </script></body></html>
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