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<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-position/#sticky-pos">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1612561">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="This test verifies that there is no vertical scrollbar after removing the sibling that overflows the scroll container">
<style>
#scroll {
width: 100px;
height: 100px;
overflow: auto;
background: green;
}
.sticky {
position: sticky;
width: 50px;
height: 100px;
top: 0;
margin-bottom: -100px;
}
#sibling {
width: 50px;
height: 500px;
background: red;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="scroll">
<div class="sticky"></div>
<div id="sibling"></div>
</div>
<script>
window.onload = () => {
document.getElementById("scroll").scrollTop = 200;
document.getElementById("sibling").remove();
};
</script>
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