<!DOCTYPE html> <title>Layout Instability: shift of invisible element not counted</title> <link rel="help" href="https://wicg.github.io/layout-instability/" /> <div id="target" style="width: 100px; height: 100px; position: relative"></div> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="resources/util.js"></script> <script> promise_test(async () => { const watcher = new ScoreWatcher; // Wait for the initial render to complete. await waitForAnimationFrames(2); target.style.top = "200px"; await waitForAnimationFrames(3); assert_equals(watcher.score, 0); }, "Shift of invisible element not counted."); </script>