Accessibility
Toggle Button Pattern
A toggle button allows a user to pick between two states, on (pressed) and off (unpressed).
Behavior
- A Toggle Button has 2 states: pressed and unpressed
- A Toggle Button's text should not change based on state
Keyboard Interaction
Enter
orSpace
press the button- Focus should stay on the button when it is pressed
Markup
- Needs
aria-pressed="true"
when it is toggled on andfalse
otherwise - The visual label should not change based on its pressed state
Note: due to inconsistent browser and assistive technology support for this role at the time of writing (Aug 2017), role="button"
needs to be added to the button element
References
Usage in SLDS
Usage in Base Lightning Components
Usage in Traditional Software Applications
- Windows: Toggle Switches
ARIA Documentation: http://w3c.github.io/aria-practices/#button