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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-gaps/grid/grid-gap-decorations-047.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class="reftest-wait">
<head>
<title>
CSS Gap Decorations: Gap decorations are painted on dynamic grid change.
</title>
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<link rel="author" title="Sam Davis Omekara Jr." href="mailto:samomekarajr@microsoft.com">
<style>
.container {
height: 100px;
width: 100px;
background: red;
}
#grid {
display: grid;
grid-template-columns: auto;
gap: 2px;
row-rule: green solid 2px;
height: 100%;
}
.item {
background: green;
}
</style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="container">
<div id="grid">
<div class="item"> </div>
<div class="item"> </div>
</div>
</div>
<script>
const grid = document.getElementById('grid');
function addChild(num) {
for (let i = 0; i < num; i++) {
const item = document.createElement('div');
item.className = 'item';
grid.appendChild(item);
}
}
// Use double requestAnimationFrame to remove need of setTimeout.
// Wait for the first frame to ensure that the style is computed.
requestAnimationFrame(() => {
// Wait for the second frame to ensure that the style is painted.
requestAnimationFrame(() => {
addChild(1);
document.documentElement.classList.remove("reftest-wait");
});
});
</script>
</body>
</html>