<!DOCTYPE html>
<link rel="help" title="7.1. 'outline' property" href="http://www.w3.org/TR/css3-ui/#outline">
<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
<body onload="run_test()">
  <span id="root"></span>
<script>
function build_tree(n) {
  let last_leaf = root;
  for (let i = 0; i < n; ++i) {
    const div = document.createElement('div');
    const inline_box = document.createElement('span');
    div.appendChild(inline_box);
    last_leaf.appendChild(div);
    last_leaf = inline_box;
  }
}
build_tree(30);

function run_test() {
  root.scrollIntoView();
}
</script>
</body>
