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<!DOCTYPE html>
<title>position:sticky elements should be rendered at their sticky offset</title>
<link rel="match" href="position-sticky-rendering-ref.html" />
<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
<meta name="assert" content="This test checks that position:sticky elements are rendered correctly" />
<script src="../resources/ref-rectangle.js"></script>
<style>
.group {
display: inline-block;
position: relative;
width: 150px;
height: 250px;
}
.inlineGroup {
display: inline-block;
position: relative;
width: 250px;
height: 150px;
}
.scroller {
position: relative;
width: 100px;
height: 200px;
overflow-x: hidden;
overflow-y: auto;
}
.inlineGroup .scroller {
position: relative;
width: 200px;
height: 100px;
overflow-x: auto;
overflow-y: hidden;
}
.contents {
height: 500px;
}
.inlineGroup .contents {
height: 100%;
width: 500px;
}
.prepadding {
height: 100px;
}
.inlineGroup .prepadding {
display: inline-block;
height: 100%;
width: 100px;
}
.container {
height: 200px;
}
.inlineGroup .container {
display: inline-block;
height: 100%;
width: 200px;
}
.filler {
height: 100px;
}
.inlineGroup .filler {
display: inline-block;
height: 100%;
width: 100px;
}
.indicator {
background-color: red;
position: absolute;
}
.sticky {
background-color: green;
position: sticky;
}
.box {
width: 100%;
height: 100px;
}
.inlineGroup .box {
display: inline-block;
height: 100%;
width: 100px;
}
</style>
<script>
window.addEventListener('load', function() {
document.getElementById('scroller1').scrollTop = 125;
document.getElementById('scroller2').scrollTop = 50;
document.getElementById('scroller3').scrollLeft = 125;
document.getElementById('scroller4').scrollLeft = 75;
createIndicatorForStickyElements(document.querySelectorAll('.sticky'));
});
</script>
<div>You should see four green squares below. No red or blue should be visible.</div>
<div class="group">
<div id="scroller1" class="scroller">
<div class="indicator box" style="top: 175px;"></div>
<div class="contents">
<div class="prepadding"></div>
<div class="container">
<div style="top: 50px;" class="sticky box"></div>
</div>
</div>
</div>
</div>
<div class="group">
<div id="scroller2" class="scroller">
<div class="indicator box" style="top: 125px;"></div>
<div class="contents">
<div class="prepadding"></div>
<div class="container">
<div class="filler"></div>
<div style="bottom: 25px;" class="sticky box"></div>
</div>
</div>
</div>
</div>
<!-- Force break to make sure we are within 800px wide. -->
<div></div>
<div class="inlineGroup">
<div id="scroller3" class="scroller">
<div class="indicator box" style="left: 175px;"></div>
<div class="contents">
<!-- As these elements are inline, they are whitespace sensitive. -->
<div class="prepadding"></div><div class="container"><div style="left: 50px;" class="sticky box"></div></div>
</div>
</div>
</div>
<div class="inlineGroup">
<div id="scroller4" class="scroller">
<div class="indicator box" style="left: 150px;"></div>
<div class="contents">
<!-- As these elements are inline, they are whitespace sensitive. -->
<div class="prepadding"></div><div class="container"><div class="filler"></div><div style="right: 25px;" class="sticky box"></div></div>
</div>
</div>
</div>
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