title: How do I run JavaScript in a console like environment?
body: <p>I'm trying to follow the the examples here</p>
  
  <p><a href="http://eloquentjavascript.net/chapter2.html" rel="nofollow">http://eloquentjavascript.net/chapter2.html</a></p>
  
  <p>and</p>
  
  <pre><code>print('blah');
  </code></pre>
  
  <p>Keeps trying to send to a physical printer when run in a browser.  I just want console output.</p>