Tree

<div class="k-tree" id="k-jqtree"></div>
<script defer>
    (function ($) {
        $(document).ready(function () {
            new Koowa.Tree('#k-jqtree', {
                "data": [{
                    "label": "Main category",
                    "id": 4
                }, {"label": "Sub category 1", "id": 5, "parent": 4}, {
                    "label": "Sub category 2",
                    "id": 6,
                    "parent": 4
                }, {"label": "Sub category 3", "id": 7, "parent": 6}, {
                    "label": "Deeper category",
                    "id": 8,
                    "parent": 4
                }]
            });
        });
    });
</script>