layout/reftests/first-line/insertion-in-first-line-1.html

   1 <!DOCTYPE html>
   2 <style>
   3   div { color: red; }
   4   div::first-line { color: green }
   5 </style>
   6 <div id="x"></div>
   7 <script>
   8   x.offsetWidth;
   9   x.appendChild(document.createTextNode('This should be green'));
  10 </script>