block-first-child-1a-dyn.html (586B)
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: 10px; 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); 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>