The current styled text that is displayed by the label.
- iOS 6.0+
- tvOS 9.0+
This property is
nil by default.
Assigning a new value to this property also replaces the value of the
text property with the same string data, although without any formatting information. In addition, assigning a new a value updates the values in the
text, and other style-related properties so that they reflect the style information starting at location 0 in the attributed string.