      <p>Note: a custom property named 'my-hash' is used here to hold the URL/hash value for each item (see the JSON).</p>
            <p>The anchors are not defined into this page. You can define them by including one <b>&lt;a id="my-hash"&gt;section title here&lt;/a&gt;</b> tag<br>
                (where the value of the ID attribute 'my-hash' need to be replaced with the real hash value corresponding to the anchor).</p>

            <p>See a demo with hash/anchors only for tree leaves (items without chil