Using the Tabs widget with Ajax, the jQuery implementation does not recalculate <script> and <link> elements' "src" attribute.
So both don't work if a tab's URL does point to content from locations different from the current directory using relative paths (e.g. "../../foo/bar.html").
Trying to add new HTML elements to the document using the jQuery append() function it seems it doesn't add event handlers to the newly created elements.
jQuery only seems to add these in Internet Explorer:
by accident I found a typo in the current api.xml @ line 10705 (in red here):
<blckquote>Unlike in the rest of the tree traversal methods, the selector expression is required in a call to <code>.find()</code>. If we need to retrieve all of the descendant elements, we can pass in the universal selector <code>'*'</code> to accomplish this.</blckquote>