block-negative-2b-dyn1.html (513B)
1 <!DOCTYPE html> 2 <html class="reftest-wait"> 3 <head> 4 <style type="text/css"> 5 #a { 6 display: none; 7 height: 20px; 8 background-color: green; 9 margin-bottom: -20px; 10 } 11 #b { 12 height: 20px; 13 background-color: blue; 14 } 15 </style> 16 <script type="text/javascript"> 17 function test() { 18 document.getElementById('a').style.display = 'block'; 19 document.documentElement.removeAttribute('class'); 20 } 21 document.addEventListener('MozReftestInvalidate', test); 22 </script> 23 </head> 24 <body> 25 <div id="a"></div> 26 <div id="b"></div> 27 </body> 28 </html>