fieldset-dynamic-valid.html (468B)
1 <!DOCTYPE html> 2 <!-- fieldset with one valid element which is made valid dynamically --> 3 <html> 4 <head> 5 <style> 6 fieldset:valid {display: none;} 7 </style> 8 </head> 9 <script> 10 function onloadHandler() 11 { 12 document.getElementById('i').value = 'foo'; 13 document.documentElement.className = ''; 14 } 15 </script> 16 <body onload="onloadHandler();"> 17 <fieldset id="fieldset"> 18 <input id='i' required> 19 </fieldset> 20 </body> 21 </html>