Form helpers like labels, instructions, formatting hints, and auto-complete that help users enter information accurately.
Design patterns that reduce mistakes (confirmation, reversible actions, previews) required for important transactions by WCAG.
Clear, actionable guidance to fix mistakes, including inline error messages associated with inputs via aria-describedby.
Text associated with an input that communicates its purpose. Implement with <label for> or ARIA labelling.
Form label associated to inputs via label for/id, aria-label, or aria-labelledby so assistive technologies announce purpose.
ARIA role for dual-state controls. Support keyboard activation and clear checked/unchecked indication.
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