block-first-child-1c-dyn.html 593 B

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  1. <!DOCTYPE html>
  2. <html class="reftest-wait">
  3. <head>
  4. <style type="text/css">
  5. #separator, #first-child {
  6. height: 20px;
  7. background-color: green;
  8. }
  9. #parent {
  10. margin-top: 20px;
  11. }
  12. #first-child {
  13. display: none;
  14. margin-top: 20px;
  15. }
  16. </style>
  17. <script type="text/javascript">
  18. function test() {
  19. document.getElementById('first-child').style.display = 'block';
  20. document.documentElement.removeAttribute('class');
  21. }
  22. document.addEventListener('MozReftestInvalidate', test, false);
  23. </script>
  24. </head>
  25. <body>
  26. <div id="separator"></div>
  27. <div id="parent">
  28. <div id="first-child"></div>
  29. </div>
  30. </body>
  31. </html>