DRAG DROP
There is an ASP.NET Web site PassGuideWS.
There is an ASP.NET Web application PassGuideApp.
There is an ASP.NET page PassGuidePage.
PassGuidePage handles purchases through credit card.
PassGuidePage has an input control named PassGuideCC and a button named
PassGuideB.
You have written a function CheckCC that, using special algorithms, checks if the credit
card number is valid.
CheckCC is written in JavaScript.
How can you ensure that an incorrect credit card number cannot be submitted on
PassGuidePage? Select three.

Answer:

Explanation:
Only one action is required.