Вот у меня предыдущий цикл. d
Array(7) [ ul#pos-pos_92.position.ui-sortable, ul#pos-pos_90.position.ui-sortable, ul#pos-pos_91.position.ui-sortable, ul#pos-pos_96.position.ui-sortable, ul#pos-pos_95.position.ui-sortable, ul#pos-pos_93.position.ui-sortable, ul#pos-pos_94.position.ui-sortable
]
0: <ul id="pos-pos_92" class="position ui-sortable" rel="pos_92">
1: <ul id="pos-pos_90" class="position ui-sortable" rel="pos_90">
2: <ul id="pos-pos_91" class="position ui-sortable" rel="pos_91">
3: <ul id="pos-pos_96" class="position ui-sortable" rel="pos_96">
4: <ul id="pos-pos_95" class="position ui-sortable" rel="pos_95">
5: <ul id="pos-pos_93" class="position ui-sortable" rel="pos_93">
6: <ul id="pos-pos_94" class="position ui-sortable" rel="pos_94">
length: 7
Там уже в ul.children эта коллекция.