display-contents-suppression-dynamic-001.html (710B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Test: display: contents unboxing works in presence of dynamic changes to the tree.</title> 4 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> 5 <link rel="help" href="https://drafts.csswg.org/css-display-3/#valdef-display-contents"> 6 <link rel="help" href="https://drafts.csswg.org/css-display-3/#unbox"> 7 <link rel="match" href="display-contents-suppression-dynamic-001-ref.html"> 8 <p>Test passes if you see nothing below.</p> 9 <textarea style="display: contents"> 10 FAIL 11 </textarea> 12 <script> 13 let textarea = document.querySelector("textarea"); 14 textarea.offsetTop; 15 textarea.appendChild(document.createTextNode("FAIL")); 16 </script>