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<!doctype html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,minimum-scale=1">
<title>CSSOM View - scrollIntoView doesn't consider scroll-padding when target is stuck</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-scrollintoview">
<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#scroll-padding">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1795661">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
body { margin: 0 }
:root { overflow: hidden }
#container {
height: 100vh;
overflow: auto;
scroll-padding-top: 100px;
}
#sticky {
position: sticky;
background: Canvas;
top: 0;
}
#content {
height: 500vh;
background-image: linear-gradient(green, purple);
}
</style>
<div id="container">
<div id="sticky">
<input type=text>
</div>
<div id="content"></div>
</div>
<script>
let container = document.getElementById("container");
let sticky = document.getElementById("sticky");
test(() => {
// Scroll to the bottom.
container.scrollTo(0, 100000);
let scrollTop = container.scrollTop;
assert_not_equals(scrollTop, 0, "Should have scrolled");
// Focus on the stuck input. We shouldn't scroll up.
sticky.querySelector("input").scrollIntoView();
assert_equals(scrollTop, container.scrollTop, "Shouldn't have scrolled");
});
</script>
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