document-fullscreen-element.html (1421B)
1 <!DOCTYPE html> 2 <title>Document#fullscreenElement</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 <script> 10 promise_test(async function (t) { 11 const div = document.querySelector("div"); 12 13 await trusted_click(); 14 15 assert_equals( 16 document.fullscreenElement, 17 null, 18 "fullscreenElement before requestFullscreen()" 19 ); 20 21 const fsPromise = div.requestFullscreen(); 22 assert_equals( 23 document.fullscreenElement, 24 null, 25 "fullscreenElement after requestFullscreen()" 26 ); 27 await fsPromise; 28 assert_equals( 29 document.fullscreenElement, 30 div, 31 "fullscreenElement before exitFullscreen()" 32 ); 33 const exitPromise = document.exitFullscreen(); 34 assert_equals( 35 document.fullscreenElement, 36 div, 37 "fullscreenElement after exitFullscreen()" 38 ); 39 await Promise.all([fullScreenChange(), exitPromise]); 40 41 assert_equals( 42 document.fullscreenElement, 43 null, 44 "fullscreenElement after exiting fullscreen" 45 ); 46 }); 47 </script>