ithin any 
container with a role of `"table"`, `"grid"`, or `"treegrid"`. 

Code example of a table with a valid `role="grid"` and appropriate table structures:

```
<div id="caption" class="caption">Table caption</div>
<table role="grid" aria-labelledby="caption" class="gridCls">
  <thead>
    <tr>
      <th>Head 1</th><th>Head 2</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Cell 1</td><td>Cell 2</td>
    </tr>
  </tbody>
</table>
```

</script></mark-down>
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