Consider this source code:

Giam needs to write a script to access the first element in the source code. What code should he use?
Geraldine is creating a custom object to store user account data on her Web site. She has written the following code it is not working properly. What change should she make to enable the script to run correctly?

Marshall's computer previously contracted malware because he unknowingly clicked on an infected link in a pop-up window. What can he do to secure the Web browser so that he is protected in the future?
Kirken needs to write a script to construct custom objects that store user account information such as a username. password and e-mail address for a Web site. What should he add to the following code to set these properties?

A)

B)

C)

D)

What basis code is needed to define the JavaScript function avgGrades?