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CIW 1D0-735 CIW JavaScript Specialist Exam Practice Test

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Total 55 questions

CIW JavaScript Specialist Questions and Answers

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Question 1

Consider the following code.

Which of the following will occur if the user's response is 25?

Options:

A.

The response will not be tested due to an error in the line containing the conditional operator.

B.

The statement "You are not old enough to rent a car from our car rental agency " will be displayed.

C.

The statement "You are old enough to rent a car from our car rental agency " win be displayed.

D.

The statement You are not old enough" will be displayed in an alert box.

Question 2

The same origin policy was introduced at the same time as HTML5 to limit location changes in browser windows that are using frames. Given this policy which of the following would be a valid new location of a frame on the Web site http corn?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 3

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

Options:

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.

Question 4

Which of the following is an advantage of using the Virtual DOM?

Options:

A.

Rendering the virtual DOM is faster than rendering the regular browser DOM.

B.

The virtual DOM updates each element when the layout of the DOM changes, meaning that the page always reflects the most current data from the server

C.

The Virtual DOM is not just a view layer, but also makes changes directly to the Web page

D.

You can learn virtual DOM concepts and React libraries quickly because the libraries are simple and concise

Question 5

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?

Options:

A.

Install the latest beta update for the Web browser

B.

Disable cookies in the Web browser

C.

Enable the pop-up blocker

D.

Install anti-virus software

Question 6

Which of the following is not a best practice when using JavaScript libraries?

Options:

A.

Developers should ensure the library functions they use are cross-browser compatible for the version of HTML they are using.

B.

Developers should link to the library file and to each plug in script in the section of the HTML document using the