| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .box { |
| margin: 50px; |
| height: 150px; |
| width: 150px; |
| } |
| |
| .before { |
| overflow-y: scroll; |
| background-color: red; |
| } |
| |
| .shadow { |
| margin: 20px; |
| height: 300px; |
| width: 300px; |
| background-color: silver; |
| border: 1px solid black; |
| -webkit-filter: drop-shadow(10px 10px 10px blue); |
| } |
| </style> |
| |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| function doTest() |
| { |
| window.setTimeout(function() { |
| document.querySelector(".before").classList.remove("before"); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0); |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| |
| <body> |
| |
| <!-- You should not seen part of a blue shadow inside the gray box. --> |
| <div class="shadow"> |
| <div class="before box"></div> |
| </div> |
| |
| </body> |
| </html> |
