Which of the following is a benefit of using a predefined library, such as JQuery?

A. Predefined libraries provide improved Web page load times.

B. Predefined libraries always provide step-by-step instructions on how to manually enter code to perform a specific task.

C. Predefined libraries provide thoroughly tested code that reduces the amount of time it takes to enter and debug code .

D. Predefined libraries provide proprietary code that works well in multiple platforms and coding environments.

Janice needs to create a pop-up window that will open a Web document in a new browser window. Which code statement should she use?

A. Option A

B. Option B

C. Option C

D. Option D

Consider the following code:

What text will display in the alert dialog box?

A. Ear J

B. Ar Jo

C. Ear Jo

D. Ar J

Consider the following code:

What will this alert display?

A. It appears fall has arrived

B. It appears winter has arrived

C. Yes It appears fall has arrived

D. Yes It appears winter has arrived

Which of the following is not a benefit of Web APIs?

A. Web APIs are frameworks that make it easy to build applications over HTTP services that are accessible over a large range of clients.

B. Web APIs provide an interface for developers to write code themselves instead of using APIs developed by others .

C. Web APIs are best used to create resource-oriented services.

D. Before Web APIs developers had to write the entire code for every task they needed to perform.

Which of the following best describes how JavaScript communicates with databases when used with AJAX?

A. It provides a limited set of database operations such as retrieving data and displaying it back to the originating Web page.

B. It performs back-end database operations such as modifying the database schema.

C. It is used to change database security permissions.

D. It was designed to perform queries on databases.

Scarlet has the following code in her script:

Var namesArr =[`'Joseph',' Charlotte'', `'Nicole''];

She wants to add the name Hank to the end of the array so that its length is 4. What code should she use?

A. namesArr [4] ''Hank'';

B. namesArr push (''Hank'');

C. namesArr unshift (''Hank'');

D. namesArr .shift (''Hank'');

Which of the following comparison statements will return true?

A. X = 15 ; Y = 3 ; X == y ;

B. X=15 Y=3; X +==45;

C. X = 15 Y = 3; X ! == y;

D. X = 15 Y = 3 X === y;

Juan is testing his JavaScript application, which includes the following code:

Assuming Juan enters August for his birth month and his name for first name, what is the value of birthMonth after executing this code?

A. August

B. Juan was born in August

C. Juan was born in August

D. What month were you born? What is your first name?

Which script will display Configurations, you won! In the browser when the script is run?

A. Option A

B. Option B

C. Option C

D. Option D