Check documentation for the latest version 6.0 of dhtmlxSuite goToNextItem DHTMLX Docs

goToNextItem

selects the item next to the active one or the first one, if nothing is selected

void goToNextItem(boolean callEvent);

Parameters

callEventbooleanset 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"}
    ]
});
 
// onSelect event callback
mySidebar.attachEvent("onSelect", function(id){
    // init cell or other action
});
 
// select 1st item and call event
mySidebar.goToNextItem(true);

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