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+[Back to 2 Operable index](index.md)
+
+# 2.5.6 Concurrent Input Mechanisms
+
+- Level: AAA
+- Guideline: 2.5 Input Modalities
+- Principle: 2 Operable
+
+## What it is
+
+Web content does not restrict use of input modalities available on a platform except where the restriction is essential, required to ensure the security of the content, or required to respect user settings.
+
+## How to test
+
+- Check: Web content does not restrict use of input modalities available on a platform except where the restriction is essential, required to ensure the security of the content, or required to respect user settings.
+- Use the sufficient techniques below as acceptable methods when applicable.
+- Confirm none of the common failures apply.
+
+## Sufficient techniques (W3C)
+
+- Only using high-level, input-agnostic event handlers, such as focus, blur, click, in Javascript (Potential future technique)
+- Registering event handlers for keyboard/keyboard-like and pointer inputs simultaneously in Javascript; see Example 1 in Pointer Events Level 2 (Potential future technique)
+
+## Common failures (W3C)
+
+- F98: Failure due to interactions being limited to touch-only on touchscreen devices
+
+## Resources
+
+- WCAG 2.2 SC: https://www.w3.org/TR/WCAG22/#concurrent-input-mechanisms
+- Understanding: https://www.w3.org/WAI/WCAG22/Understanding/concurrent-input-mechanisms.html
+- Quick reference: https://www.w3.org/WAI/WCAG22/quickref/?versions=2.2#concurrent-input-mechanisms
+
+[Back to 2 Operable index](index.md)