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<!DOCTYPE html>
<title>Nested position:sticky table elements should render correctly</title>
<link rel="match" href="position-sticky-nested-table-ref.html" />
<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
<meta name="assert" content="This test checks that nested position:sticky table elements render correctly" />
<script src="resources/ref-rectangle.js"></script>
<style>
.group {
display: inline-block;
position: relative;
width: 150px;
height: 250px;
}
.scroller {
position: relative;
width: 100px;
height: 200px;
overflow-x: hidden;
overflow-y: auto;
}
.contents {
height: 700px;
}
.prepadding {
height: 100px;
}
table {
border-collapse: collapse;
}
td, th {
height: 50px;
width: 50px;
padding: 0;
}
th {
background: green;
}
.sticky {
position: sticky;
top: 25px;
}
.indicator {
position: absolute;
left: 0;
background-color: red;
height: 50px;
width: 50px;
}
</style>
<script>
window.addEventListener('load', function() {
document.getElementById('scroller1').scrollTop = 50;
document.getElementById('scroller2').scrollTop = 125;
document.getElementById('scroller3').scrollTop = 250;
createIndicatorForStickyElements(document.querySelectorAll('.sticky'));
});
</script>
<div class="group">
<div id="scroller1" class="scroller">
<div class="contents">
<div class="indicator" style="top: 100px;"></div>
<div class="prepadding"></div>
<table>
<thead class="sticky">
<tr class="sticky">
<th class="sticky"></th>
</tr>
</thead>
<tbody>
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td></td></tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="group">
<div id="scroller2" class="scroller">
<div class="contents">
<div class="indicator" style="top: 150px;"></div>
<div class="prepadding"></div>
<table>
<thead class="sticky">
<tr class="sticky">
<th class="sticky"></th>
</tr>
</thead>
<tbody>
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td></td></tr>
</tbody>
</table>
</div>
</div>
</div>
<div class="group">
<div id="scroller3" class="scroller">
<div class="contents">
<div class="indicator" style="top: 250px;"></div>
<div class="prepadding"></div>
<table>
<thead class="sticky">
<tr class="sticky">
<th class="sticky"></th>
</tr>
</thead>
<tbody>
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td></td></tr>
</tbody>
</table>
</div>
</div>
</div>
<div>You should see three green rectangles above. No red or blue should be visible.</div>
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