test_document_adopted_styles.html (269B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <div class="target"></div> 4 <script> 5 const sheet = new CSSStyleSheet(); 6 document.adoptedStyleSheets = [sheet]; 7 sheet.replaceSync(".target { width: 100px; height: 100px; border-style: solid; border-color: blue; }"); 8 </script>