Web Accessibility Checker : Check Details

Element

script

Error Type

Potential

Guidelines

BITV 1.0 (Level 2)
Level 1
2.1 Ensure that all information conveyed with color is also available without color, for example from context or markup.
Section 508
C - color also available without color
Stanca Act
Requirement 4: Color Specific
WCAG 1.0 (Level A)
Priority 1
2.1 Ensure that all information conveyed with color is also available without color, for example from context or markup.
WCAG 1.0 (Level AA)
Priority 1
2.1 Ensure that all information conveyed with color is also available without color, for example from context or markup.
WCAG 1.0 (Level AAA)
Priority 1
2.1 Ensure that all information conveyed with color is also available without color, for example from context or markup.
WCAG 2.0 (Level A)
1.4 Distinguishable: Make it easier for users to see and hear content including separating foreground from background.
Success Criteria 1.4.1 Use of Color (A)
WCAG 2.0 (Level AA)
1.4 Distinguishable: Make it easier for users to see and hear content including separating foreground from background.
Success Criteria 1.4.1 Use of Color (A)
WCAG 2.0 (Level AAA)
1.4 Distinguishable: Make it easier for users to see and hear content including separating foreground from background.
Success Criteria 1.4.1 Use of Colour (A)

Requirement

Color alone should not be used in the script.

Error

script may use color alone.

Short Description

This error will be generated for all script elements.

How To Determine

Question	Does this `script` use color alone?
PASS	`script` does not use color alone.
FAIL	`script` uses color alone.

Steps To Check

Procedure

1. View the operation of each SCRIPT in the document.

Expected Result

1. The script should not use color alone.

Failed Result

1. Remove the script or modify it so it does not use color alone.

Examples

Pass Examples

Does not contain a script element.

<!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 #86 - Negative</title>
</head>
<body>
</body>
</html>

Fail Examples

Contains a script element.

<!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 #86 - Positive</title>
</head>
<body>
<script/>
<noscript>Alternate content for script</noscript>
</body>
</html>