insert
fun <T : Any> insert(items: T, position: Double): ERROR CLASS: Symbol not found for js.promise.Promise<ERROR CLASS: Symbol not found for js.core.Void>(source)
fun <T : Any> insert(items: ERROR CLASS: Symbol not found for js.array.ReadonlyArray<T>, position: Double): ERROR CLASS: Symbol not found for js.promise.Promise<ERROR CLASS: Symbol not found for js.core.Void>(source)
Add a menu item to the specified position in this menu.
Platform-specific:
macOS: Only {@linkcode Submenu}s can be added to a {@linkcode Menu}.