What does this syntax mean?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1771786/question-mark-in-javascript">Question mark in JavaScript</a>  </p>
</blockquote>



<p>I've seen this around a few times but I never knew what it meant. What is the name of it and how does it work?</p>

<p>Here is the example I saw:</p>

<pre><code>input.checked = input.type == "radio" ? true : false;
</code></pre>
