| <style> |
| frameset { |
| float: left; |
| } |
| |
| frameset:nth-last-of-type(n) { |
| height: 0; |
| } |
| |
| frameset:first-child :nth-of-type(n) { |
| height: 0; |
| } |
| </style> |
| <body>PASS if no crash or assert.</body><script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| document.body.offsetHeight; |
| let parentFrameSet = document.createElement('frameset'); |
| let chilFrameSet = document.createElement('frameset'); |
| parentFrameSet.append(chilFrameSet); |
| chilFrameSet.append(document.createElement('div')); |
| document.body.append(parentFrameSet); |
| |
| document.body.offsetTop; |
| document.body.append(''); |
| </script> |
