<!DOCTYPE html> <html class="reftest-wait"> <link rel="help" href="https://drafts.csswg.org/css-overflow-3/#scroll-container"> <link rel="match" href="incremental-scroll-ref.html"> <script src="/common/reftest-wait.js"></script> <script src="/common/rendering-utils.js"></script> <div id="target" style="background: white; overflow: scroll; width: 500px; height: 500px; font-size: 40px; will-change: transform"> </div> <script> for (var i = 0; i < 500; i++) { var div = document.createElement("div"); div.textContent = i; target.appendChild(div); } function scroll() { target.scrollTop += 500; if (target.scrollTop < 10000) { waitForAtLeastOneFrame().then(scroll); } else if (window.testRunner) { takeScreenshot(); } } waitForAtLeastOneFrame().then(scroll); </script>