i无法获得以下html文档输出！（html-css-javasciprt）

Question

  [link for the css]:https://github.com/mdn/learning-area/blob/master/html/introduction-to-html/the-html-head/style.css

  [link for javascript code file]:https://github.com/mdn/learningarea/blob/master/html/introduction-to-html/the-html-head/script.js


   '''<!DOCTYPE html>
   <html lang="en-US">
   <head>
     <meta charset="utf-8">
     <title>Meta examples</title>

     <meta name="author" content="Chris Mills">
     <meta name="description" content="This is an example page to demonstrate usage of metadata on web pages.">
     <meta property="og:image" content="https://developer.cdn.mozilla.net/static/img/opengraph-logo.dc4e08e2f6af.png">
     <meta property="og:description" content="This is an example page to demonstrate usage of metadata on web pages.">
     <meta property="og:title" content="Metadata; The HTML &lt;head&gt;, on MDN">
     <link rel="Shortcut Icon" href="favicon.ico" type="image/x-icon">
     <link rel="stylesheet" href="style.css">
    </head>
    <body>
     <h1>Meta examples</h1>
     <p>Japanese example: ご飯が熱い。</p>
     <script src="script.js"></script>
    </body>
   </html>'''

当我尝试运行上述html代码时，输出仅显示此元示例日文示例：???

我试图学习成为一名前端开发人员，所以我只是从html入手。请任何人帮助我。上面的html文档即使存在于同一目录中，也不会考虑css和javasricpt文件。我也使用其他浏览器进行过尝试。