getAttribute
The value of the custom attribute attribute, or null if it is not set.
The value of the custom attribute attribute, or null if it is not set.
The value of the custom attribute attribute, or null if it is not set.
The value of the custom attribute attribute, or null if it is not set.
The value of the custom attribute attribute, or null if it is not set.
The value of the custom attribute attribute, or null if it is not set.