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Fieldset Table of Contents Accessibility support ARIA enhancements External ARIA provided by the aria property: ARIAUsagerole="radiogroup"Changes the default role of group to radiogroup Internal ARIA that is managed by the component: ARIAUsagerole="alert"When content is populated or changed in state="error", the component announces it immediately.aria-required="true"Indicates if all children of the fieldset group are required.aria-invalid="true"If error state is set.aria-describedby="IDREF"References the accessible description when state message is provided. Development considerations Common do's and don'ts Do provide a clear label that describes the grouped fields. Do use the component state/message API so group validation is announced. Do use aria="{ 'role': 'radiogroup' }" only when the fieldset contains custom radio controls. Don't set state="error" without a descriptive message. Integration examples
Unlabeled field group❌ Anti-pattern
<p-fieldset>
  <p-input-text name="street" label="Street"></p-input-text>
  <p-input-text name="city" label="City"></p-input-text>
</p-fieldset>
✅ Recommended
<p-fieldset label="Delivery address">
  <p-input-text name="street" label="Street"></p-input-text>
  <p-input-text name="city" label="City"></p-input-text>
</p-fieldset>
Error state without recovery guidance❌ Anti-pattern
<p-fieldset label="Delivery address" state="error" message="Invalid"></p-fieldset>
✅ Recommended
<p-fieldset label="Delivery address" required="true" state="error" message="Complete all required address fields to continue."></p-fieldset>
Tests Automated TechnologySupportAXE-Core (WCAG 2.2 AA, Best-Practice)✅High-Contrast Mode (light/dark)✅Text-Zoom (200%)✅ Manual TechnologySupportScreen reader (VoiceOver, NVDA)✅
Global settingsColor SchemeAll color tokens use the light-dark() CSS function. Set the theme via the CSS color-scheme property: light for light mode, dark for dark mode, or light dark to follow the user's system preference.LightDarkLight DarkDirectionThe dir global attribute in HTML changes the direction of text and other content within an element. It's most often used on the <html> tag to set the entire page's direction, which is crucial for supporting languages that are written from right to left (RTL), such as Arabic and Hebrew. For example, using <html dir="rtl"> makes the entire page display from right to left, adjusting the layout and text flow accordingly.LTR (left-to-right)RTL (right-to-left)Text ZoomTo ensure accessibility and comply with WCAG 2.2 AA standards, it is mandatory for web content to support text resizing up to at least 200% without loss of content or functionality. Using relative units like rem is a best practice for achieving this, as they allow the text to scale uniformly based on the user's browser settings.100%130%150%200%