Boolean ng.Sortable.is_first_in_group (HTML_Element elm) vs. 1.2.2 Full+Lite

Check if the HTML Element is the first in it's parent tree with the same depth HTML Elements.

Parameters

HTML_Element elm Required vs. 1.2.2 Full+Lite
The HTML Element to check.

Return

Boolean Required vs. 1.2.2 Full+Lite
True or false if the HTML Element is the first in the parent tree with the same depth.