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Merged
merged 11 commits into from
Apr 22, 2025
45 changes: 45 additions & 0 deletions techniques/failures/F112.html
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@@ -0,0 +1,45 @@
<!DOCTYPE html>
<html lang="en" xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Failure of Success Criterion 2.2.2 due to using blinking content that lasts for more than five seconds without a mechanism to stop it</title>
<link rel="stylesheet" type="text/css" href="../../css/editors.css" class="remove"/>
</head>
<body>
<h1>Failure of Success Criterion 2.2.2 due to using blinking content that lasts for more than five seconds without a mechanism to stop it</h1>
<section class="meta">
<p class="id">ID: F47</p>
<p class="technology">Technology: failures</p>
<p class="type">Type: Failure</p>
</section>
<section id="applicability">
<h2>When to Use</h2>
<p>Blinking content created using CSS animations or client-side scripting.</p>
</section>
<section id="description">
<h2>Description</h2>
<p>Blinking content can be distracting and overwhelming for users, for example people with cognitive disabilities such as attention disorders. Content that automatically starts to blink or "flash", for five seconds or more, is presented in parallel with other content, and does not have a method to stop the blinking fails <a href="../../understanding/20/pause-stop-hide.html">Success Criterion 2.2.2</a>.</p>
</section>
<section id="examples">
<h2>Examples</h2>
<section class="example">
<p>A product listing page uses constantly blinking prices to draw attention to sale items. This fails the success criterion because users cannot control the blink.</p>
</section>
</section>
<section id="tests">
<h2>Tests</h2>
<section class="procedure">
<h3>Procedure</h3>
<ol>
<li>Examine the page for the presence of blinking content that starts automatically, is presented in parallel with other content, and lasts for more than five seconds.</li>
<li>If such content is present, check there is a method to stop the blinking.</li>
</ol>
</section>
<section class="results">
<h3>Expected Results</h3>
<ul>
<li>If #2 is false, the content fails the success criterion.</li>
</ul>
</section>
</section>
</body>
</html>
5 changes: 5 additions & 0 deletions techniques/failures/F4.html
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@@ -1,3 +1,8 @@
---
obsoleteSince: 20
obsoleteMessage: |
The CSS <a href="https://drafts.csswg.org/css-text-decor/#valdef-text-decoration-line-blink"><code>text-decoration:blink</code> value is deprecated</a> and currently has no modern browser support.
---
<!DOCTYPE html>
<html lang="en" xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
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5 changes: 5 additions & 0 deletions techniques/failures/F47.html
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@@ -1,3 +1,8 @@
---
obsoleteSince: 20
obsoleteMessage: |
The <a href="https://html.spec.whatwg.org/multipage/obsolete.html#blink"><code>blink</code> element is obsolete in the HTML Living Standard</a> and currently has no modern browser support.
---
<!DOCTYPE html><html lang="en" xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><head><title>Failure of Success Criterion 2.2.2 due to using the blink element</title><link rel="stylesheet" type="text/css" href="../../css/editors.css" class="remove"/></head><body><h1>Failure of Success Criterion 2.2.2 due to using the blink element</h1><section class="meta"><p class="id">ID: F47</p><p class="technology">Technology: failures</p><p class="type">Type: Failure</p></section><section id="applicability"><h2>When to Use</h2>
<p>HTML</p>
</section><section id="description"><h2>Description</h2>
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9 changes: 3 additions & 6 deletions understanding/20/pause-stop-hide.html
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Expand Up @@ -217,12 +217,9 @@ <h3>Failures for Pause, Stop, Hide</h3>
</a>
</li>
<li>
<a href="../Techniques/failures/F47" class="failure">Failure due to using the blink element</a>
</li>
<li>
<a href="../Techniques/failures/F4" class="failure">Failure due to using text-decoration:blink without a mechanism to stop it in less
than five seconds
</a>

<a href="../Techniques/failures/F112" class="failure">Failure due to using blinking content</a>

</li>
<li>
<a href="../Techniques/failures/F50" class="failure">Failure due to a script that causes a blink effect without a mechanism to stop the
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