class ObservableList
first()
Returns the first object in the list.
first(): T | undefined;
Related
class ObservableList
A data structure that contains an ordered set of observable objects.
Documentation
Getting started Introduction Reference API Reference app class AppContext class AppQueue class AppException class LogWriter class Activity class ActivityRouter class NavigationContext interface Viewport class View interface ViewBuilder type ViewBuilderFunction type ViewBuilderEventHandler type ViewEvent class Widget namespace UI class UIElement class UIButton class UIText class UITextField class UIToggle class UIImage class UIColumn class UIRow class UIContainer class UIScrollView class UIListView type UIListViewEvent class UIShowView class UIDivider class UISpacer class UIIconResource class UIColor type StyleOverrides class ObservableObject class ObservableList new ObservableList() length [Symbol.iterator] beforeUnlink() objects() add() insert() remove() replaceAt() replace() replaceAll() clear() reverse() sort() first() last() get() take() takeLast() indexOf() includes() find() some() every() forEach() map() filter() toArray() toJSON() restrict() attachItems() class ObservableEvent class Binding type BindingOrValue class FormState class Schema class RenderContext interface RenderEffect interface ModalFactory class MessageDialogOptions class ModalMenuOptions class I18nContext class DeferredString type StringConvertible function fmt() function useWebContext() class WebContextOptions class WebRenderer class WebNavigationContext class WebTheme function setWebTheme() interface WebModalViews function useAnimationEffects() function useContainerEffects() function useDragEffects() function useTestContext() class TestContextOptions type TestAppContext class TestRenderer class TestNavigationContext class TestOutputElement function renderTestView() function expectOutput() function expectOutputAsync() function expectNavAsync() type ExpectNavOptions function expectMessageDialogAsync() class RenderedTestMessageDialog class OutputAssertion interface OutputSelectFilter function clickOutputAsync() function enterTextOutputAsync()