goToPrevItem

selects the item prevous to the active one or the first one, if nothing's selected

void goToPrevItem(boolean callEvent);

callEvent

boolean

set to 'true' to call onBeforeSelect/onSelect events

Example

// init sidebar
var mySidebar = new dhtmlXSideBar({
    parent: "sidebarObj",
    template: "details",
    icons_path: "icons/16x16/",
    width: 160,
    items: [
        {id: "a1", text: "Item 1", icon: "image1.png"},
        {id: "a2", text: "Item 2", icon: "image2.png", selected: true}
    ]
});
 
// select a1
mySidebar.goToNextItem();