title: How to include a HTML file with node.js
body: <p>So, I have a <strong>server.js</strong> file which loads an <strong>index.html</strong> file.</p>
  <p>The question is, is there any way to import another html file in index.html.</p>
  <p>To simplify, let's say I have an html file named <strong>footer.html</strong> and I want to import it in my <strong>index.html</strong>. How can I do it?</p>