| <!DOCTYPE html> | |
| <script src="/common/get-host-info.sub.js"></script> | |
| <iframe scrolling="no" frameborder="0" id="iframe"></iframe> | |
| <script> | |
| iframe.src = | |
| get_host_info().ORIGIN + "/intersection-observer/resources/same-origin-grand-child-iframe.html"; | |
| </script> |