You are developing a customer web form that includes the following HTML.
You need to change the HTML markup so that customers can enter only a valid three-letter country code.
Which HTML should you use?
A.
B.
C.
D.
You are developing a customer web form that includes the following HTML.
You need to change the HTML markup so that customers can enter only a valid three-letter country code.
Which HTML should you use?
A.
B.
C.
D.