css/css-flexbox/anonymous-flex-item-003.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Flexbox Test: Flex item - contiguous text runs - display:none dynamic</title>
<link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-items">
<link rel="match" href="../reference/pass_if_two_words.html">
<p>There should be a space between "two" and "words" below.</p>
<div style="display:flex">two <span id="noneSpan"></span>words</div>
<script>
  document.body.offsetTop;
  noneSpan.style.display = "none";
</script>