dynamic-fieldset-01a.html (234B)
1 <!DOCTYPE html> 2 <style> 3 .test::after { 4 content:"::after content"; 5 } 6 </style> 7 8 <fieldset> 9 Fieldset contents 10 </fieldset> 11 <script> 12 var td = document.querySelector("fieldset"); 13 td.offsetWidth; 14 td.className = "test"; 15 </script>