# WCAG 2.2 – 3.2.1 On Focus

- Level: A
- Principle: 3 Understandable
- Guideline: 3.2 Predictable
- Introduced in: WCAG 2.0

## What the rule requires

Just because an element receives focus, nothing unexpected happens: no page change, no new window, no submit.

## How to get it right

Trigger actions on click or Enter – never on the focus event.

## Who benefits

- Blind people
- People with cognitive disabilities
- People with motor disabilities

## Sources

- [This rule on wcag.dehl.net](https://wcag.dehl.net/en/wcag/3-2-1/)
- [Official W3C explanation](https://www.w3.org/WAI/WCAG22/Understanding/on-focus)
- [Techniques (WCAG Quick Reference)](https://www.w3.org/WAI/WCAG22/quickref/#on-focus)

_Plain-language explanation. Only the original W3C text is normative._