Initial commit

2025-12-22 00:21:10 -05:00
commit 2bd947dfe5
91 changed files with 3819 additions and 0 deletions
@@ -0,0 +1,34 @@
+[Back to 3 Understandable index](index.md)
+
+# 3.3.6 Error Prevention (All)
+
+- Level: AAA
+- Guideline: 3.3 Input Assistance
+- Principle: 3 Understandable
+
+## What it is
+
+For web pages that require the user to submit information, at least one of the following is true:
+
+- **Reversible:** Submissions are reversible.
+- **Checked:** Data entered by the user is checked for input errors and the user is provided an opportunity to correct them.
+- **Confirmed:** A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission.
+
+## How to test
+
+- Check: Submissions are reversible.
+- Check: Data entered by the user is checked for input errors and the user is provided an opportunity to correct them.
+- Check: A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission.
+- Use the sufficient techniques below as acceptable methods when applicable.
+
+## Sufficient techniques (W3C)
+
+- Following the sufficient techniques for Success Criterion 3.3.4 for all forms that require the user to submit information
+
+## Resources
+
+- WCAG 2.2 SC: https://www.w3.org/TR/WCAG22/#error-prevention-all
+- Understanding: https://www.w3.org/WAI/WCAG22/Understanding/error-prevention-all.html
+- Quick reference: https://www.w3.org/WAI/WCAG22/quickref/?versions=2.2#error-prevention-all
+
+[Back to 3 Understandable index](index.md)