is there a way to collapse all the panels of Kendo Panelbar, on an action?

Question

I am working on an app where i am adding panelbars (multiselection) using JSP Wrapper (which means no ID to each of the panels), and inside those have the grids.

The

Answer 1

HTML

Javascript

 var panelBar = $("#palettePanelBar").data("kendoPanelBar");
    panelBar.expand($('[id^="item"]'));