fieldset-with-valid-element-add-barred-dynamic.html 611 B

123456789101112131415161718192021222324
  1. <!DOCTYPE html>
  2. <!-- fieldset with one valid element and you dynamically add a barred constraint
  3. validation element -->
  4. <html>
  5. <head>
  6. <style>
  7. fieldset:valid { display:none }
  8. </style>
  9. <script>
  10. function onLoadHandler()
  11. {
  12. document.getElementById("fieldset").appendChild(document.getElementById('i'));
  13. document.documentElement.className='';
  14. }
  15. </script>
  16. </head>
  17. <body onload='onLoadHandler();'>
  18. <input id='i' value='foo' readonly>
  19. <fieldset id="fieldset" id="fieldset">
  20. <input id='j' value='bar' required>
  21. </fieldset>
  22. </body>
  23. </html>