unload-bubbles.html (615B)
1 <!doctype html> 2 <title>visibilitychange event bubbles when fired on unload</title> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <div id="log"></div> 6 <script> 7 async_test(function(t) { 8 var w = window.open("resources/unload-bubbles.html"); 9 window.onmessage = t.step_func(function(event) { 10 if (event.data === "close") { 11 w.close(); 12 return; 13 } 14 15 const {state, target, bubbles} = event.data 16 assert_equals(state, "hidden"); 17 assert_equals(target, "#document"); 18 assert_equals(bubbles, true); 19 t.done(); 20 }); 21 }); 22 </script>