pattern-library checked

U.S. Web Design System Select component

Documents select controls for about seven to 15 options in limited space, persistent labels, avoiding auto-submit, radio alternatives for fewer options, and combo box alternatives for longer lists.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Inaccessible custom select Flag this anti-pattern when a custom dropdown cannot be opened, navigated, selected, dismissed, and reviewed by keyboard. The trigger exposes an accessible name, current value, role, and expanded or collapsed state. USWDS select guidance supports sparing native select use, persistent labels, no auto-submit, and radio or combo-box alternatives.
Select Choose select sparingly for a single choice from a moderate known list when space or task priority justifies collapsing options. The selected value remains visible after the menu closes. USWDS select guidance supports sparing use for about seven to 15 options, persistent labels, no auto-submit, and radio/combo-box alternatives.

Evidence Role

This source is treated as pattern-library evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: U.S. Web Design System. Last checked: .