block-no-content-4c-dyn.html (647B)
1 <!DOCTYPE html> 2 <html class="reftest-wait"> 3 <head> 4 <style type="text/css"> 5 #parent { 6 background-color: green; 7 } 8 #first-child { 9 height: 20px; 10 } 11 #last-child { 12 margin-top: -20px; 13 } 14 #separator { 15 height: 20px; 16 margin-top: 70px; 17 background-color: green; 18 } 19 </style> 20 <script type="text/javascript"> 21 function test() { 22 document.getElementById('last-child').style.marginBottom = '-30px'; 23 document.documentElement.removeAttribute('class'); 24 } 25 document.addEventListener('MozReftestInvalidate', test); 26 </script> 27 </head> 28 <body> 29 <div id="parent"> 30 <div id="first-child"></div> 31 <div id="last-child"></div> 32 </div> 33 <div id="separator"></div> 34 </body> 35 </html>