designMode-caret-change.html | Explore in Territory

<!doctype html>
<html class="test-wait reftest-wait">
<style>
button {
  background-repeat: no-repeat;
}
*:last-child {
  opacity: 0;
  animation: kf ease-in, steps(65, start) 0.92 paused;
  border-radius: inherit
}
@keyframes kf {}
</style>
<script>
let animationEnded = false;
let selectionChanged = false;
function maybeFinishTest() {
  if (animationEnded && selectionChanged) {
    requestAnimationFrame(() => requestAnimationFrame(() => {
      document.documentElement.className = "";
    }));
  }
}
document.addEventListener("DOMContentLoaded", () => {
  document.designMode = "on"
  window.onanimationend = () => {
    document.execCommand("insertHTML", false, "A")
    animationEnded = true;
    maybeFinishTest();
  }
  document.onselectionchange = () => {
    document.execCommand("selectAll", false)
    selectionChanged = true;
    maybeFinishTest();
  }
})
</script>

chromium/third_party/blink/web_tests/external/wpt/editing/crashtests/designMode-caret-change.html