fieldset-add-invalid-element-dynamic.html (517B)
1 <!DOCTYPE html> 2 <!-- fieldset with no elements and invalid element is added dynamically --> 3 <html> 4 <head> 5 <style> 6 fieldset:invalid { display:none } 7 </style> 8 <script> 9 function onLoadHandler() 10 { 11 document.getElementById("fieldset").appendChild(document.getElementById('i')); 12 document.documentElement.className=''; 13 } 14 </script> 15 </head> 16 <body onload='onLoadHandler();'> 17 <input id='i' required> 18 <fieldset id="fieldset"> 19 </fieldset> 20 </body> 21 </html>