Int? cols

Preferred width of text area in columns, or null for default.

new make()

Void onModify(|This| f)

Callback when value is modified by user.

Str? placeholder

Hint that is displayed in the text area before a user enters value that describes the expected input, or null for no placeholder text.

Bool ro

Set to true to set text area to readonly mode.

Int? rows

Preferred height of text area in rows, or null for default.

Str val

Value of text area.