How do I run JavaScript in a console like environment?
<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>
