Validate Keyboard Navigation — validate_keyboard_navigation • TextAnalysisR

Checks if interactive elements have proper tabindex and keyboard handlers. Used for WCAG 2.1.1 (Keyboard) compliance.

Usage

validate_keyboard_navigation(tabindex = 0)

Arguments

tabindex: Integer, tab order (-1 for no tab, 0 for natural order, 1+ for specific order)

Value

Logical TRUE if valid, FALSE with warning if invalid

Examples

if (FALSE) { # \dontrun{
validate_keyboard_navigation(0)   # TRUE
validate_keyboard_navigation(999) # FALSE (too high)
} # }