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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Grid item placement with dynamically named grid lines</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<link rel="help" href="http://www.w3.org/TR/css-grid-1/#line-placement">
<link rel="match" href="../../reference/ref-filled-green-300px-square.html">
<meta name="assert" content="Grid item placement is updated when the names of the grid lines change dynamically.">
<style>
.container {
display: grid;
width: 300px;
height: 100px;
background: red;
}
.container::before {
content: "";
grid-area: main;
background: green;
}
.explicit {
grid-template-columns: [quux-start] 100% [quux-end];
grid-template-rows: [quux-start] 100% [quux-end];
}
.explicit.changed {
grid-template-columns: [main-start] 100% [main-end];
grid-template-rows: [main-start] 100% [main-end];
}
.auto-repeat {
grid-template-columns: repeat(auto-fill, [quux-start] 100% [quux-end]);
grid-template-rows: repeat(auto-fill, [quux-start] 100% [quux-end]);
}
.auto-repeat.changed {
grid-template-columns: repeat(auto-fill, [main-start] 100% [main-end]);
grid-template-rows: repeat(auto-fill, [main-start] 100% [main-end]);
}
.implicit {
grid-template-columns: 100%;
grid-template-rows: 100%;
grid-template-areas: "quux";
}
.implicit.changed {
grid-template-areas: "main";
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="container explicit"></div>
<div class="container auto-repeat"></div>
<div class="container implicit"></div>
<script>
// Force layout
document.body.offsetLeft;
// Change the grid line names
for (let container of document.querySelectorAll(".container")) {
container.classList.add("changed");
}
</script>
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