| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <title>Reference for scroll timeline with a specified scroller</title> |
| <style> |
| #scroller { |
| overflow: scroll; |
| width: 100px; |
| height: 100px; |
| scrollbar-width: none; |
| } |
| |
| #contents { |
| height: 200px; |
| } |
| |
| #box { |
| width: 100px; |
| height: 100px; |
| background-color: green; |
| transform: translateX(50px); |
| } |
| </style> |
| |
| <div id="scroller"> |
| <div id="contents"></div> |
| </div> |
| <div id="box"></div> |
| |
| <script> |
| window.addEventListener('load', function() { |
| const scroller = document.getElementById("scroller"); |
| // Move the scroller to the halfway point. |
| const maxScroll = scroller.scrollHeight - scroller.clientHeight; |
| scroller.scrollTop = 0.5 * maxScroll; |
| |
| document.documentElement.classList.remove("reftest-wait"); |
| }); |
| </script> |