remove-child.html (1203B)
1 <!DOCTYPE html> 2 <title>Remove the child of the fullscreen element</title> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <script src="/resources/testdriver.js"></script> 6 <script src="/resources/testdriver-vendor.js"></script> 7 <script src="../trusted-click.js"></script> 8 <div id="log"></div> 9 <div id="parent"> 10 <div></div> 11 </div> 12 <script> 13 promise_test(async (t) => { 14 t.add_cleanup(() => { 15 if (document.fullscreenElement) { 16 return document.exitFullscreen(); 17 } 18 }); 19 const parent = document.getElementById("parent"); 20 await Promise.all([trusted_request(parent), fullScreenChange()]); 21 22 assert_equals(document.fullscreenElement, parent); 23 parent.textContent = ""; // removes all children 24 // The fullscreen element should not be affected. 25 assert_equals(document.fullscreenElement, parent); 26 document.onfullscreenchange = t.unreached_func("fullscreenchange event"); 27 // A fullscreenchange event would be fired after an async section 28 // and an animation frame task, so wait until after that. 29 await new Promise((resolve) => { 30 requestAnimationFrame(resolve); 31 }); 32 }); 33 </script>