| <!DOCTYPE html> |
| <body> |
| <h1>frame2</h1> |
| </body> |
| |
| <script type="text/javascript"> |
| function test0() { |
| let ro = new ResizeObserver(entries => { |
| for (let entry of entries) { |
| if (entry.target.parentNode) { |
| entry.target.parentNode.removeChild(entry.target); |
| } |
| } |
| }); |
| let frame1 = parent.document.querySelector('#frame1'); |
| let frame2 = parent.document.querySelector('#frame2'); |
| ro.observe(frame1); |
| ro.observe(frame2); |
| } |
| |
| window.addEventListener('message', function(event) { |
| switch(event.data) { |
| case 'readyToTest': |
| test0(); |
| break; |
| } |
| }); |
| </script> |
| </html> |
