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<!doctype html>
<title>Resnap to focused element after relayout</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#snapper {
width: 100px;
height: 200px;
overflow-x: scroll;
scroll-snap-type: x mandatory;
color: white;
background-color: oldlace;
display: flex;
align-items: center;
}
.child {
margin-right: 0.5rem;
height: 90%;
scroll-snap-align: start;
padding: 1rem;
display: flex;
align-items: center;
justify-content: center;
text-align: center;
width: 100px;
height: 100px;
background-color: indigo;
}
</style>
<link rel="help" href="https://drafts.csswg.org/css-scroll-snap/#re-snap">
<div id=snapper>
<div class="child no-snap" tabindex=-1></div>
<div class=child></div>
<div class="child" id ="focus" tabindex=-1></div>
<div class="child" tabindex=-1></div>
<div class=child></div>
<div class=child></div>
</div>
<script>
test(t => {
document.getElementById("focus").focus();
const element = document.getElementById("snapper");
element.style.width = "101px";
assert_equals(element.scrollLeft, 0);
});
</script>
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