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| 1 <!DOCTYPE html> |
| 2 <style> |
| 3 body { |
| 4 height: 2000px; |
| 5 width: 2000px; |
| 6 overflow: hidden; |
| 7 } |
| 8 |
| 9 .box { |
| 10 width: 300px; |
| 11 height: 300px; |
| 12 margin: 20px; |
| 13 position: relative; |
| 14 } |
| 15 |
| 16 body > .box { |
| 17 border: 1px solid black; |
| 18 float: left; |
| 19 } |
| 20 .child { |
| 21 position: absolute; |
| 22 top: 50px; |
| 23 left: 50px; |
| 24 height: 200px; |
| 25 width: 200px; |
| 26 margin-left: 10px; |
| 27 background-image: url('../resources/alpha-blocks.png'); |
| 28 background-size: 500px 300px; |
| 29 background-repeat: no-repeat; |
| 30 background-attachment: fixed; |
| 31 border: 4px solid gray; |
| 32 } |
| 33 |
| 34 .composited { |
| 35 -webkit-transform: translateZ(0); |
| 36 } |
| 37 </style> |
| 38 <script> |
| 39 function doTest() |
| 40 { |
| 41 window.scrollTo(35, 45); |
| 42 } |
| 43 window.addEventListener('load', doTest, false); |
| 44 </script> |
| 45 <div class="composited box"> |
| 46 <div class="child box"></div> |
| 47 </div> |
| 48 |
| 49 <div class="composited box"> |
| 50 <div class="child box"></div> |
| 51 </div> |
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