| <!DOCTYPE html> | |
| <style> | |
| #mask { | |
| width: 100px; | |
| height: 100px; | |
| -webkit-mask-box-image: url(../../fast/backgrounds/resources/dot.png) 3; | |
| } | |
| #content { | |
| width: 200px; | |
| height: 200px; | |
| background-color: green; | |
| } | |
| </style> | |
| <div id="mask"> | |
| <div id="content"></div> | |
| </div> | |
| <script src="../../resources/run-after-layout-and-paint.js"></script> | |
| <script> | |
| runAfterLayoutAndPaint(function() { | |
| mask.style.width = '200px'; | |
| }, true); | |
| </script> |