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removes the specified item

void remove(string|number|boolean actvId);
actvIdstring|number|boolean(optional) if the specified item is selected, selects another item, true by default


// 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", selected: true},
        {id: "a2", text: "Item 2", icon: "image2.png"},
        {id: "a3", text: "Item 3", icon: "image3.png"}
mySidebar.items("a1").remove(); // remove a1 and select a2
// or
mySidebar.items("a1").remove("a3"); // remove a1 and select a3
// or
mySidebar.items("a1").remove(false); // remove a1 and do not select any item

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