CIW JavaScript Specialist - 1D0-635 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Consider the following code:

What is the expected result when you run this script in the browser?

A. There will be no visible output, but the script will count down to 0. B. The script will output a countdown from 15 to 1 in the client window. C. The script will output 15, then 1, because it will only write the first and last values of a
while? statement. D. The script will output a countdown from 15 to 0 in the client window.

Discussion 0

Correct Answer: B Vote an answer

Question 2

Which of the following is a reason why a developer would use a JavaScript library?

A. JavaScript libraries ensure quality code that does not harbor security risks. B. JavaScript libraries require a shorter learning curve than JavaScript. C. JavaScript libraries are subsets of Java and thus provide more powerful code. D. JavaScript libraries provide platform-independent code that will behave identically in any browser.

Discussion 0

Correct Answer: B Vote an answer

Question 3

Which of the following is a practice associated with the security risk known as cross-site scripting (XSS)?

A. Inserting JavaScript code in a URL query string to perform an unintended or malicious action B. Launching a JavaScript statement that has no conditions for ending, thus requiring the user to close the browser in order to end the script C. Using a certificate authority validation to persuade users to accept a specialized script that can override certain security restrictions in thebrowser D. Using a look-alike site to impersonate a trusted site so the user will enter sensitive information

Discussion 0

Correct Answer: A Vote an answer

Question 4

Which is the best technique to test a script for cross-browser compatibility?

A. Test the script in various browsers, including various versions of the same browsers. B. Determine the most frequently used browser for your target audience and then test the script in that browser. C. Use the W3C site's code validator to test the script. D. Test the script in various versions of the same browser.

Discussion 0

Correct Answer: A Vote an answer

Question 5

Consider the following code:

Will this function generate an error?

A. Yes, because the alert syntax is incorrect B. No, because the code is well-formed C. Yes, because there are no valid variables returned D. Yes, because the passed arguments have not been defined before the function call

Discussion 0

Correct Answer: D Vote an answer

Question 6

Which choice best defines events and event handlers?

A. An event handler can be an action initiated by the user, and an event specifies how JavaScript will react to the action. B. An event is an action initiated by the operating system, and an event handler is a function defined by the user. C. An event is initiated by an error in JavaScript, and an event handler will attempt to bypass the error and continue. D. An event can be an action initiated by the user, and an event handler specifies how JavaScript will react to the action.

Discussion 0

Correct Answer: D Vote an answer