Identify a pseudo-class for a check box or option button whose toggle states cannot be ascertained.
A) valid
B) optional
C) in-range
D) indeterminate

Question

Identify a pseudo-class for a check box or option button whose toggle states cannot be ascertained.
A) ​valid
B) ​optional
C) ​in-range
D) ​indeterminate

Quizplus · Accepted Answer

The pseudo-class for a checkbox or option button whose toggle states cannot be ascertained is "indeterminate". This is often used when a user is presented with a list of choices and none of them are initially selected. The indeterminate state is represented with a horizontal line in the checkbox or option button.

Identify a Pseudo-Class for a Check Box or Option Button