| placeholder | set placeholder prompt text | String | ` 'please enter content' ` |
| maxlength | limit the maximum input characters | String、Number | - |
| rows | height of textarea, with priority higher than autosize attribute `Only H5 is supported` | String、Number | `2` |
| limitShow | whether textarea displays the input characters. Use | Boolean | `false` |
| limitshow | whether textarea displays the input characters. Use | Boolean | `false` |
| autosize | whether to adapt the content height. You can also pass in objects, such as {maxheight: 200, minheight: 100}. The unit is PX | Boolean | `false` |
| textAlign | text position, optional values ` left , center, right ` | String | `left` |