title: custom attributes in a script tag
body: <p>Can I use a custom attribute in a <code>script</code> tag such as:</p>
  
  <pre><code>&lt;script type="text/javascript" mycustomattribute="foo"&gt;
      // JavaScript
  &lt;/script&gt;
  </code></pre>
  
  <p>And then use the contained JavaScript to access the value of <code>mycustomattribute</code>?</p>