Optgroup class

<optgroup> — group of related <option> items within a <select> control.

Requires the label parameter naming the option group.

Inheritance

Constructors

Optgroup({required String label, String? className, Map<String, String>? attrs, List<BloomNode> children = const []})
Creates an <optgroup> element descriptor with label shorthand.
Optgroup.raw({String? className, Map<String, String>? attrs, List<BloomNode> children = const []})
Const constructor for <optgroup> without attribute shorthand.
const

Properties

attrs → Map<String, String>?
Arbitrary HTML attributes (id, href, placeholder, etc.).
finalinherited
children → List<BloomNode>
Child descriptors nested within this element.
finalinherited
className → String?
CSS class attribute applied to the element.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
on → Map<String, BloomEventHandler>?
Event handlers keyed by DOM event name (click, input, change...).
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
style → String?
Inline style — raw CSS string (e.g. "color: red; display: flex;").
finalinherited
tag → String
Lowercase tag name, e.g. "div", "button", "custom-tag".
finalinherited
text → String?
Optional single text child sugar — equivalent to children: [Text(text)] when no explicit children are given.
finalinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited