selection-modify-extend-foward-line-across-video-in-html.html

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This WPT test may be referenced by the following Test IDs:
- /selection/crashtests/selection-modify-extend-foward-line-across-video-in-html.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html class="reftest-wait">

<head>

<meta charset="utf-8">

<script>

"use strict";

addEventListener("DOMContentLoaded", async () => {

  const main1 = document.createElement("main");

  const main2 = document.createElement("main");

  const video = document.createElement("video");

  const track = document.createElement("track");

  video.appendChild(track);

  video.appendChild(main2);

  main1.appendChild(video);

  document.documentElement.appendChild(main1);

  const selection = getSelection();

  selection.selectAllChildren(main1);

  let count = 10;

  let id = setInterval(async () => {

    selection.collapseToStart();

    selection.modify("extend", "forward", "line");

    if (count-- == 0) {

      clearInterval(id);

      document.documentElement.removeAttribute("class");

  }, 0);

});

</script>

</head>

</html>