CIW JavaScript Specialist: 1D0-635

Which of the following is a valid variable name in JavaScript?

A. this

B. that

C. 2that

D. 2this

Which of the following is a browser security issue that JavaScript developers should remember when developing a script?

A. JavaScript cannot be disabled in the client and will always run.

B. JavaScript functionality is immune to viruses, trojans and malware.

C. JavaScript is a cross-platform scripting language and will generate consistent results regardless of the client or server being used.

D. Certain JavaScript functionality may be blocked by some browsers, which prevents the script from running as expected for all users.

Maria, a 22-year old student, is testing her JavaScript application, which includes the following code: Assuming Maria enters truthful information, what is the value of z after executing this code?

A. No value ?error in line 1 due to missing var keyword for userAge.

B. No value ?error in line 1 due to multiple declarations in one line.

C. Maria "is" 22 "years old"

D. Maria is 22 years old