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+<!DOCTYPE html>
+<html>
+<title>scrollIntoView() 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
+               explicitly by script.">
+
+<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 {
+    height: 1em;
+  }
+  /* Note: we use "start" for #target to avoid spec ambiguity where
+   * scroll-snap-align conflicts with default ScrollIntoViewOptions.
+   * See https://github.com/w3c/csswg-drafts/issues/9576.
+   */
+  #target    { scroll-margin:    2em 0 0;
+               scroll-snap-align: start;  } /* 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>
+  <div id="target"></div>
+  <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').scrollIntoView();
+</script>