Source code
Revision control
Copy as Markdown
Other Tools
<!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>