Blitz - WPT: column-scroll-marker-dynamic-style-update.html

wpt / css / css-overflow / scroll-markers / column-scroll-marker-dynamic-style-update.html

/css/css-overflow/scroll-markers/column-scroll-marker-dynamic-style-update.html

<!DOCTYPE html>
<title>CSS Overflow Test: ::scroll-marker dynamic style change</title>
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-buttons">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<style>
#scroller {
  overflow: hidden;
  scroll-marker-group: before;
  columns: 1;
  gap: 0;
  height: 100px;
  width: 100px;
}
  #scroller::scroll-marker-group {
    display: flex;
    width: 100px;
    height: 100px;
    background: red;
  }
  #scroller::column::scroll-marker {
    width: 20px;
    height: 100px;
    content: "";
  }
  #scroller.extra::column::scroll-marker {
    display: flex;
    background: green;
  }
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="scroller">
  <div style="height:401px;"></div>
</div>
<script>
  document.body.offsetTop;
  scroller.className = "extra";
</script>

/css/reference/ref-filled-green-100px-square.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>CSS Reftest Reference</title>
  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
  <style type="text/css"><![CDATA[
  div
  {
  background-color: green;
  height: 100px;
  width: 100px;
  }
  ]]></style>
 </head>
 <body>
  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
  <div></div>
 </body>
</html>