<!DOCTYPE html>
<meta name="assert" content="Test inserting an inline child in the middle of blocks-in-inline">
<link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#anonymous-block-level">
<link ref="match" href="block-in-inline-insert-019-ref.html">
<link rel="author" title="Koji Ishii" href="mailto:[email protected]">
<body>
<!-- Insert a span in the middle of blocks-in-inline -->
<section>
<span>
<div>1</div>
<div class="before">3</div>
</span>
</section>
<!-- Insert a span before a block-in-inline -->
<section>
<span>
<div class="before">3</div>
<div>4</div>
</span>
</section>
<!-- Check it works in multicol container -->
<section style="columns: 1">
<span>
<div>1</div>
<div class="before">3</div>
</span>
</section>
<script>
(function () {
document.body.offsetTop;
for (const before of document.getElementsByClassName('before')) {
const span = document.createElement('span');
span.textContent = '2';
before.before(span);
}
})();
</script>
</body>