| <html> |
| <body> |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| description("Verify that scripts running in a detached window can still modify global properties"); |
| const iframe = document.createElement('iframe'); |
| document.body.appendChild(iframe); |
| const iframeContentWindow = iframe.contentWindow; |
| const iframeEval = iframeContentWindow.eval; |
| iframeContentWindow.foo = 1; |
| iframeContentWindow[0] = 1; |
| iframeContentWindow.shouldBe = shouldBe; |
| iframe.remove(); |
| iframeEval(` |
| foo++; |
| globalThis[0]++; |
| shouldBe(() => foo, "2"); |
| shouldBe(() => globalThis[0], "undefined"); |
| `); |
| shouldBe("iframeContentWindow.foo", "2"); |
| shouldBe("iframeContentWindow[0]", "undefined"); |
| </script> |
| </body> |
| </html> |
