inspect.html

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<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Inspected Code</title>
    <link rel="stylesheet" href="./styles/atom-one-dark.min.css" />
    <style>
      body {
        margin: 0;
        background-color: #282c34;
      }
    </style>
  </head>
  <body>
    <pre><code id="code" class="language-javascript"></code></pre>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/languages/javascript.min.js"></script>
    <script src="https://cdn.jsdelivr.net/gh/bismuthnickel/jsx@0.0.0-alpha/JSX.js"></script>
    <script>
      try {
        const urlParams = new URLSearchParams(window.location.search);
        const code = atob(urlParams.get("code"));
        $("code").textContent = code;
      } catch (error) {
        $("code").textContent = `console.log(\"${error.toString()}\");`;
      }

      hljs.highlightAll();
    </script>
  </body>
</html>