optgroup class - dom library

Constructors

optgroup(List<Component> children, {required String label, bool disabled = false, String? id, String? classes, Styles? styles, Map<String, String>? attributes, Map<String, EventCallback>? events, Key? key}): The <optgroup> HTML element creates a grouping of options within a <select> element.
const

attributes → Map<String, String>?: Additional attributes to apply to the HTML element.
final
children → List<Component>: The children of this component.
final
classes → String?: The CSS classes to apply to the HTML element, separated by whitespace.
final
disabled → bool: If this attribute is set, none of the items in this option group is selectable. Often browsers grey out such control and it won't receive any browsing events, like mouse clicks or focus-related ones.
final
events → Map<String, EventCallback>?: Event listeners to attach to the HTML element.
final
hashCode → int: The hash code for this object.
no setterinherited
id → String?: The id of the HTML element. Must be unique within the document.
final
key → Key?: Controls how one component replaces another component in the tree.
finalinherited
label → String: The name of the group of options, which the browser can use when labeling the options in the user interface.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
styles → Styles?: The inline styles to apply to the HTML element.
final

build(BuildContext context) → Component: Describes the part of the user interface represented by this component.
override
createElement() → Element: Creates a StatelessElement to manage this component's location in the tree.
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
shouldRebuild(covariant Component newComponent) → bool: Implement this method to determine whether a rebuild can be skipped.
inherited
toString() → String: A string representation of this object.
inherited