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<!DOCTYPE html>
<html>
<title>focus() and snap position with snapping on (y-axis)</title>
<link rel='author' title='Elika J. Etemad' href='http://fantasai.inkedblade.net/contact'>
<link rel='help' href='https://www.w3.org/TR/css-scroll-snap-1/#choosing'>
<link rel='match' href='scroll-target-001-ref.html'>
<meta name='assert'
content="Test passes if scroll snapping is honored
when scrolling an element into view
even if that operation is implied (in this case, by .focus()).">
<style type='text/css'>
.container {
border: solid blue 4px;
height: 4em;
overflow: auto;
scroll-snap-type: block;
/* to make failing more obvious */
background: 0 1em / 100% 1em linear-gradient(red, red) repeat-x;
/* avoid anti-aliasing issues */
font: 20px/1 sans-serif;
scrollbar-width: none;
}
.container > div, a {
height: 1em;
display: block;
outline: none;
}
#target { scroll-margin: 1em 0 0;
scroll-snap-align: center; } /* set up a snap position */
#stripe { background: green; } /* color part of the snap area */
.fail { color: red; } /* make failing more obvious */
/* Try to foil the UA */
.foilup { margin-bottom: -1em; scroll-snap-align: start; }
.foildn { margin-top: -1em; scroll-snap-align: end; }
/* emulate `scrollbar-width: none` for browsers that don't support it yet */
::-webkit-scrollbar { display: none; }
</style>
<div id='instructions'>Test passes if there is a green stripe across the second quarter of the box below and no red.</div>
<div class="container">
<div></div>
<div></div>
<div></div>
<div></div>
<div class="foilup"></div>
<div class="fail">FAIL</div>
<div></div>
<div id="stripe"></div>
<div class="foilup"></div>
<a href="" id="target"></a>
<div class="foildn"></div>
<div></div>
<div class="fail">FAIL</div>
<div class="foildn"></div>
<div></div>
<div class="foildn"></div>
<div></div>
<div></div>
<div></div>
</div>
<script>
document.getElementById('target').focus();
</script>
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