vue 切换网页导航栏添加logo及标题

index.html

    <title> 网页导航栏添加logo及标题</title>
    <link rel="icon" type="image/x-icon" href="/static/anfang_favicon.ico"/>
    <script type="text/javascript">
      var scene = window.location.host
      if (scene === 'anfang.cn') {
        document.querySelector('link[rel="icon"]').href = "/static/anfang_favicon.ico"
        document.getElementsByTagName("title")[0].innerText = '安防';
      } else if (scene === 'xuexiao.cn') {
        document.querySelector('link[rel="icon"]').href = "/static/school_facicon.ico"
        document.getElementsByTagName("title")[0].innerText = '校园云';
      }
    </script>