| <!doctype html> |
| <script src="history.js"></script> |
| <script> |
| onbeforeunload = function() {opener.beforeunload_ran = true; return "Opt to stay on the page"}; |
| |
| opener.pages.push(id); |
| if (!opener.started) { |
| onload = function() { |
| setTimeout(function() { |
| opener.started = true; |
| history.back(); |
| }, 100); |
| } |
| } |
| </script> |
| <p>You should see/have seen a prompt asking if you want to leave the page.</p> |
| <p>Opt to stay on the page</p> |
| <button onclick="onbeforeunload = null; opener.start_test_wait(); document.getElementsByTagName('button')[0].disabled = true;">Click here</button> |
