| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script> |
| description("Tests that the value returned from a beforeunload event handler gets converted to a string, even if the returnValue property was already set."); |
| jsTestIsAsync = true; |
| |
| const iframe = document.createElement("iframe"); |
| iframe.onload = function() { |
| iframe.onload = null; |
| iframe.contentWindow.runTest(); |
| }; |
| |
| iframe.src = "resources/before-unload-return-string-conversion-frame.html"; |
| document.body.appendChild(iframe); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
