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1D0-735 CIW JavaScript Specialist Free Practice Exam Questions (2025 Updated)

Prepare effectively for your CIW 1D0-735 CIW JavaScript Specialist certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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

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 <head> section of the HTML document using the <script> tag.

C.

Developers should use plugins from a variety of JavaScript libraries to ensure compatibility.

D.

Developers should become familiar with one library then optimize HTML code with that specific library in mind.

What is the best practice for testing code to pinpoint a logic error within a script?

A.

Test the code in the W3C code validator.

B.

Conduct a manual, line-by-line, code review.

C.

Check for console errors when loading the page.

D.

Insert watchpoints and comment out code blocks.

Jackson was testing his code when the Web browser became locked and he had to close it to stop the script What might he have accidentally done when coding his Web site?

A.

Coded an infinite loop

B.

Coded a frame that breaks the same origin policy

C.

Coded an input element that is vulnerable to XSS

D.

Coded deprecated HTML

How does AJAX use the XMLHttpRequest object"?

A.

It changes a portion of a Web page so only the affected part of the page will be reloaded

B.

It provides Web page compatibility with mobile device browsers

C.

It performs code validation on the server-side in order to speed up the process of validation

D.

It provides backward-compatibility with older browser versions

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.

Consider the following code:

What does line 9 do?

A.

Nothing it must written as supportTicket. prototype, this, resolve = resolve ; to add the properly resolved to the custom supportTicket object

B.

it add the property resolved to the original instantiated custom supportTicket object ticket1.

C.

it add the property resolved to the newly instantiated custom supportTicket object ticket1.

D.

it add the property resolved to all instances instantiated custom supportTicket object ticket1 and ticket2.

Consider the following code:

”sofa”

Which of the following is true based on the above code?

A.

The function sofaPic will be called upon when sofaPic image loads

B.

The function sofaPic is called when the image fails to load

C.

The function sofaPic is called when the mouse pointer moves off the image

D.

The function sofaPic is called when the mouse pointer moves over the image

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)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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?

A.

He should secure the Web pages through SSL (Secure Sockets Layer) certificates

B.

He should write a script to compare the information the user entered with the information on the Internet that is publicly available about the user

C.

He should write regular expressions to check that the data values entered match the requirements

D.

He should add the required attribute to the e-mail and phone fields on the form

Which of the following comparison statement will return true?

A)

X=10;

Y=11;

y--;

x==y

B)

X=10;

Y=11;

Y++;

x==y’

C)

X=11;

Y=10;

y--;

x==y;

D)

X=11;

Y=10;

y-= 1;

x==y

A.

Option A

B.

Option B

C.

Option C

D.

Option D

What basis code is needed to define the JavaScript function avgGrades?

A.

Function avgGrades () {}

B.

avgGrades function ()

C.

avgGrades (){ }

D.

var = function avgGrades () {}

Consider the following code:

What change if any needs to be made for a "Thank you" message to appear when the checkout page is loaded?

A.

On fine 11 onupload need to be changed to onload.

B.

On line 8 alter needs to be changed to prompt

C.

On line 11, onupload needs to be changed to onload.

D.

No changes needed. The alert message will appear when the page is loaded.

Consider the following code:

What is the expected result of this script?

A.

The word "Welcome" will be displayed in a prompt when the page loads

B.

A welcome message will appear when the page loads

C.

When you click the alert a welcome message will appear

D.

When you click the welcome message a welcome alert will load

Consider the following code:

Ginger needs to write a script to display a pop-up alert box with the type of credit card the user selected Which of the following code blocks should she use?

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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.

Considering the following code:

Var 1 ;

For (I = 1; I < 10; I ++)

What part of the code fragment initializes the counter variable?

A.

i++

B.

i < 10;

C.

i = 1;

D.

Var 1;

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