| <!DOCTYPE html> | |
| <div style='container-type: size;'></div> | |
| <table> | |
| <tbody id='id_0'></tbody> | |
| <th id='id_1'> | |
| <tr> | |
| <th></th> | |
| </tr> | |
| </th> | |
| </table> | |
| <script> | |
| const tbody = document.getElementById('id_0') | |
| tbody.getBoundingClientRect(); | |
| const theader = document.getElementById('id_1') | |
| tbody.outerText = 'foo'; | |
| theader.setAttribute('rowspan', 100) | |
| tbody.getBoundingClientRect(); | |
| </script> |