title: How to output a specific object in Node.js but don't output those that do not exist?
body: <p>like so</p>
  <pre><code>► add language identifier to highlight code
  fdfsd
  ```python
  def function(foo):
      print(foo)
  </code></pre>
  <p>► put returns between paragraphs</p>
  <p>► for linebreak add 2 spaces at end</p>
  <p>► <em>italic</em> or <strong>bold</strong></p>
  <p>► indent code by 4 spaces</p>
  <p>► backtick escapes <code>like _so_</code></p>
  <p>► quote by placing &gt; at start of line</p>
  <p>► to make links (use https whenever possible)
  <a href="https://example.com" rel="nofollow noreferrer">https://example.com</a>
  <a href="https://example.com" rel="nofollow noreferrer">example</a>
  <a href="https://example.com" rel="nofollow noreferrer">example</a></p>