mozilla-central/layout/reftests/meta-viewport/dynamic-grow-width.html (file symbol)

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Test Info: Warnings

<!DOCTYPE html>
<html class="reftest-wait">
<meta name="viewport" content="width=device-width, minimum-scale=0.5">
<style>
html {
overflow-x: hidden;
}
html, body {
margin: 0;
width: 100%;
height: 100%;
}
div {
height: 100%;
position: absolute;
}
</style>
<div id="green" style="background: green; width: 100%;"></div>
<div style="background: blue; width: 100%;"></div>
<script>
document.addEventListener('MozReftestInvalidate', () => {
// Grow width to generate overflow-x:hidden area but the content height is
// 100vh so that we don't scale down the contents (bug 1508177).
green.style.width = '200%';
requestAnimationFrame(() => {
document.documentElement.classList.remove('reftest-wait');
});
});
</script>
</html>