index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="referrer" content="no-referrer">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <script type="text/javascript">
      window.onerror = function (message, source, lineno, colno, error) {
        let m = [
          'Message: ' + message,
          'URL: ' + source,
          'Line: ' + lineno,
          'Column: ' + colno,
          'Error object: ' + JSON.stringify(error)
        ].join(' - ');
        // alert('[错误]' + m);
        console.log('[发生错误]', m)
      };
    </script>
    <script>
      var coverSupport = 'CSS' in window && typeof CSS.supports === 'function' && (CSS.supports('top: env(a)') ||
        CSS.supports('top: constant(a)'))
      document.write(
        '<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' +
        (coverSupport ? ', viewport-fit=cover' : '') + '" />')
    </script>
    <title></title>
    <!--preload-links-->
    <!--app-context-->
  </head>
  <body>
    <div id="app"><!--app-html--></div>
    <script type="module" src="/main.js"></script>
  </body>
</html>