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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script> |
| 3 if (window.internals) { |
| 4 internals.settings.setCSSStickyPositionEnabled(true); |
| 5 } |
| 6 </script> |
| 7 |
| 8 <html> |
| 9 <head> |
| 10 <style> |
| 11 body { |
| 12 margin: 0; |
| 13 } |
| 14 |
| 15 .scroller { |
| 16 overflow: hidden; /* hide scrollbars */ |
| 17 width: 200px; |
| 18 height: 350px; |
| 19 outline: 2px solid black; |
| 20 } |
| 21 |
| 22 .container { |
| 23 width: 200px; |
| 24 height: 700px; |
| 25 } |
| 26 |
| 27 .outerSticky { |
| 28 display: inline; |
| 29 position: sticky; |
| 30 top: 0; |
| 31 } |
| 32 |
| 33 .innerSticky { |
| 34 display: inline; |
| 35 position: sticky; |
| 36 top: 25px; |
| 37 } |
| 38 </style> |
| 39 <script> |
| 40 if (window.testRunner) |
| 41 testRunner.waitUntilDone(); |
| 42 |
| 43 function doTest() { |
| 44 finishTestInXFrames(2); |
| 45 } |
| 46 |
| 47 function finishTestInXFrames(frames) { |
| 48 if (frames > 0) { |
| 49 requestAnimationFrame(finishTestInXFrames.bind(null, frames - 1)); |
| 50 return; |
| 51 } |
| 52 finishTest(); |
| 53 } |
| 54 |
| 55 function finishTest() { |
| 56 for (const scroller of document.querySelectorAll('.scroller')) { |
| 57 scroller.scrollTop = 200; |
| 58 } |
| 59 if (window.testRunner) |
| 60 testRunner.notifyDone(); |
| 61 } |
| 62 |
| 63 window.addEventListener('load', doTest, false); |
| 64 </script> |
| 65 </head> |
| 66 <body> |
| 67 <div class="scroller"> |
| 68 <div class="container"> |
| 69 <div class="outerSticky">1<div class="innerSticky">2</div></div> |
| 70 </div> |
| 71 </div> |
| 72 </body> |
| 73 </html> |
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