Question 16

Consider the following code:

What will this alert display?
  • Question 17

    Consider the following code:

    What code would you use to determine if the check box has been checked or not?
  • Question 18

    Joseph is designing a Web form for new patient enrollment in a doctor's office He wants to ensure that users enter valid information on the form He also wants to make sure that hackers cannot submit malicious code to gain access to information about other patients. What technique should he use?
  • Question 19

    How does AJAX use the XMLHttpRequest object"?