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August 14, 2022 00:11

select must not change context


Severity Action
no actions


Rule ID Focus 4
Definition select elements with onchange event handler must not automatically change the user's context when keyboard focus moves between options.
  • User's can become disoriented if the focus changes cause unpredicatable actions.
  • When the user is using the kyboard to explore select box options, the focus must stay on the options, until the user selects one of the options.
WCAG Success Criteria

3.2.2 On Input (Level A, Primary Success Criterion)

Rule Category Forms
Scope Element
Target Resources a, area and role="link" elements
  • select
  • Do not use onchange event handlers on select elements.
  • Use selections should be made using the enter key.
Manual Checks
  • Move focus to the selection box and use the keyboard to move the focus between options, check to make sure the focus changes are not causing the context to change (i.e. focus movig to a new window or focus moving from the current option in the select box).
Informational Links

Element Results

Element Identifier Result Element Position Message

Column Definitions

Element Identifier
Information about the element associated with the result.
The information typically includes the tag name, accessible name or other information related to the rule requirements.
"Page" means that the result applied to the page. For example, the rule "One main landmark on the page" is a page level rule.
Element Position
The element position is based on the DOM order of elements in the page.
The element position maybe useful in helping to locate a specific element on the page evaluated (e.g smaller numbers are typically toward the beginning of a page and larger numbers typically toward the end of a page).
Element position 1 is the first element.
The highest element position is the last element.
Element position values for most rule/page results will not be consecutive since a rule only applies to a sub set of elements found on a page.