Web Accessibility Checker : Check Details

Element

all elements

Error Type

Potential

Guidelines

BITV 1.0 (Level 2)
Level 1
6.4 For scripts and applets, ensure that event handlers are input device-independent.
Stanca Act
Requirement 16: Script/Object Accessible
WCAG 1.0 (Level AAA)
Priority 2
6.4 For scripts and applets, ensure that event handlers are input device-independent.
WCAG 2.0 (Level A)
2.1 Keyboard Accessible: Make all functionality available from a keyboard.
Success Criteria 2.1.1 Keyboard (A)
WCAG 2.0 (Level AA)
2.1 Keyboard Accessible: Make all functionality available from a keyboard.
Success Criteria 2.1.1 Keyboard (A)
WCAG 2.0 (Level AAA)
2.1 Keyboard Accessible: Make all functionality available from a keyboard.
Success Criteria 2.1.1 Keyboard (A)

Requirement

All onmousemove event handlers have corresponding keyboard-specific functions.

Error

script may not be keyboard accessible - onmousemove requires keyboard specific functions.

Short Description

Any element that contains an onmousemove attribute will generate this error.

How To Determine

Question	Does this document contain keyboard specific functions that correspond to the `onmousemove` event handler?
PASS	Document contains keyboard specific functions that correspond to the `onmousemove` event handler.
FAIL	Document does not contain keyboard specific functions that correspond to the `onmousemove` event handler.

Steps To Check

Procedure

1. Check each element in the document for an onmousemove attribute.
2. Check if there are keyboard operations that perform the same function.

Expected Result

1. All onmousemove event handlers have corresponding keyboard-specific functions.

Failed Result

1. Remove the onmousemove attribute or add keyboard specific functions that perform the same action.

Examples

Pass Examples

Contains an element that has an onmousemove attribute with keyboard equivalents.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>OAC Testfile - Check #105 - Negative</title>
</head>
<body>

<INPUT name="num" value="0">

</body>
</html>

Fail Examples

Contains an element that has an onmousemove attribute without keyboard equivalents.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>OAC Testfile - Check #105 - Positive</title>
</head>
<body>

<INPUT name="num" onmousemove="bar" value="0">

</body>
</html>