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Form Accessibility and Error Handling - Compliant Examples

The following examples demonstrate proper form accessibility and error handling:

Properly Labeled Form Fields

Enter your full legal name as it appears on official documents
We'll use this to send you important updates

All form fields have explicit labels using the <label> element with the for attribute linked to the input id.

Required Fields with Multiple Indicators

Required field
Required field
Optional - We'll only contact you if there's an issue with your account

Required fields are indicated by: red color, asterisk, bold text, required attribute, and aria-required="true".

Error Identification and Announcement

Enter your full legal name
Enter a valid email address

Errors are identified by: aria-invalid="true", role="alert", aria-live="polite", visible error messages, and visual indicators (red border).

Error Suggestions

Must be at least 8 characters with uppercase, lowercase, number, and special character

When errors occur, suggestions are provided to help users correct them. For example, password requirements are explained.

Real-time Validation Feedback

Enter a valid email address
Enter 10-digit phone number

Validation occurs on blur (when field loses focus) and provides immediate feedback without being disruptive.

Fieldset and Legend for Grouping

Personal Information
Account Preferences

Related form fields are grouped using <fieldset> and <legend> elements to provide context and structure.

Radio Buttons and Checkboxes with Proper Grouping

Select Service Plan
Additional Features

Radio buttons and checkboxes are properly grouped with fieldsets and legends, and each has a label.

Select Dropdowns with Labels

Select your country of residence
Select your local timezone

Select dropdowns have explicit labels, help text, and the first option clearly indicates selection is required.

Textarea with Character Count

Enter your message (maximum 500 characters) 0 / 500 characters

Textareas include character counts that update in real-time and are announced to screen readers via aria-live.

Error Prevention for Financial Transactions

Payment Information
Enter 13-19 digit card number
Format: MM/YY (e.g., 12/25)
Enter 3 or 4 digit CVV

Confirm Payment

Please review your payment information before submitting:

Financial transactions include confirmation steps, clear error messages, and allow users to review and correct information before submission.

Form Instructions and Help Text

Instructions: Please fill out all required fields marked with an asterisk (*). You can save your progress and return later.

3-20 characters, letters, numbers, and underscores only. This will be your unique identifier.
Create a strong password: at least 8 characters, including uppercase, lowercase, number, and special character (e.g., !@#$%^&*)

Forms include clear instructions at the top and help text for each field explaining what information is needed and how to provide it.

Accessible Form Validation Summary

When multiple errors occur, a validation summary is provided at the top of the form listing all errors with links to the problematic fields.

Success Messages

Success messages use role="status" with aria-live="polite" to announce successful form submission without being disruptive.