><td class="memItemLeft" nowrap align="right" valign="top">class &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classDOMUserDataHandler.html">DOMUserDataHandler</a></td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">When associating an object to a key on a node using <code>setUserData</code> the application can provide a handler that gets called when the node the object is associated to is being cloned or imported.  <a href="classDOMUserDataHandler.html#_details"