testing/web-platform/tests/accessibility/crashtests/append-image-using-illegal-map.html


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<!DOCTYPE html>
<map name="map1"><button><li>xyz</li></button></map>
<script>
 const image = document.createElement('img');
 image.setAttribute('src', 'exists.gif');
 image.setAttribute('usemap', '#map1');
 document.documentElement.appendChild(image);
</script>