Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-scoping/css-scoping-shadow-host-with-before-after.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>CSS Scoping Module Level 1 - ::before and ::after pseudo elements' contents on a shadow host must be rendered</title>
<link rel="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"/>
<link rel="match" href="reference/green-box.html"/>
</head>
<body>
<style>
my-host {
display: block;
width: 100px;
height: 100px;
background: red;
}
my-host::before {
display: block;
content: "";
width: 100px;
height: 25px;
background: green;
}
my-host::after {
display: block;
content: "";
width: 100px;
height: 25px;
background: green;
}
</style>
<p>Test passes if you see a single 100px by 100px green box below.</p>
<my-host>
<div>FAIL</div>
</my-host>
<script>
try {
var shadowHost = document.querySelector('my-host');
shadowRoot = shadowHost.attachShadow({mode: 'open'});
shadowRoot.innerHTML = '<div style="width: 100px; height: 50px; background: green"></div>';
} catch (exception) {
document.body.appendChild(document.createTextNode(exception));
}
</script>
</body>
</html>