classknapp
Classknapp is a user interface pattern used in web development to implement button-like controls whose primary function is to apply or toggle CSS classes on elements in the document. The term combines the idea of a class-based styling approach with a button concept, and it is often described in discussions about lightweight, event-driven UI patterns that avoid creating specialized components for every interaction.
In a typical classknapp implementation, a single CSS class (for example, classknapp) is assigned to multiple
Design and accessibility considerations are important. When using classknapp, developers should ensure elements are keyboard-accessible, use
See also: CSS class selectors, button semantics, JavaScript event handling, state management in UI.