lex
/
classroom-instruments


			
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<html lang="zh-CN">


<head>
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  <title>老师端</title>
<<<<<<< HEAD
  <script type="module" crossorigin src="./assets/index-9d05148b.js"></script>
  <link rel="stylesheet" href="./assets/index-9f374edd.css">
=======
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>>>>>>> compatible
</head>
<style>
  body {
    background: #f1f5ff;
    width: 100%;
  }

  .bgImg {
    width: 23.75vw;
  }

  .btnImg {
    width: 15vw;
    position: absolute;
    left: 50%;
    margin-left: -7.5vw;
    bottom: 1.61458vw;
    cursor: pointer;
  }

  /* .imgWrap {
    width: 456px;
    position: absolute;
    top: 141px;
    left: 50%;
    margin-left: -288px;
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  .imgWrap {
    margin-top: 15.625vw;
    text-align: center;
    /* width: 456px;
        position: absolute;
        top: 141px;
        left: 50%;
        margin-left: -288px;*/
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  .subMsg {
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    font-size: 1.14583vw;
    line-height: 1.5625vw;
    color: #777;
  }

  .subBtn {
    width: 12.03125vw;
    height: 3.22917vw;
    background: #198CFE;
    border-radius: 0.9375vw;
    border: none;
    font-size: 1.14583vw;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 1.5625vw;
    cursor: pointer;
    margin-top: 1.66667vw;
    list-style: none outside none;
    text-decoration: none;
  }
</style>
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      var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器
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        // if (IsFF()) {
        //   window.stop()
        // } else {
        //   document.execCommand("Stop");
        // }

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        console.log(getChromeVersion(), 'getChromeVersion')
        if (getChromeVersion() < 90) {

          document.writeln(" <div class='imgWrap'><h1>当前浏览器版本过低</h1><p class='subMsg'>为了保证良好的上课体验，推荐您使用谷歌浏览器</p> <button class='subBtn' onclick='gotoLinlk()'>下载谷歌浏览器</button>");
          document.execCommand("Stop");
          window.stop()
          console.log('Stop')
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  </script>
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