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JavaScript, HTML/CSS & Vue Online Test

The JavaScript, HTML/CSS & Vue Online Test uses scenario-based MCQs to evaluate candidates on their proficiency in web development with JavaScript, HTML/CSS, and the Vue.js framework. The test assesses candidates' understanding of core web development concepts such as DOM manipulation, event handling, responsive design, Vue.js components and directives, JavaScript libraries and frameworks, debugging and testing, and web performance optimization.

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Screen candidates with a 50 mins test

Test duration:  50 mins
Difficulty level:  Moderate
Availability:  Ready to use
Questions:
  • 5 JavaScript MCQs
  • 5 HTML/CSS MCQs
  • 5 Vue MCQs
  • 1 JavaScript Coding Question
Covered skills:
JavaScript Basics
JS ES6
JS OOPs
Handling APIs
Vue Component Lifecycle
Designing Components and handling events in Vue
CSS Box model
Flexbox and Grid layouts
Responsive CSS
JavaScript Programming
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Use the JavaScript, HTML/CSS & Vue Test to shortlist qualified candidates

The JavaScript, HTML/CSS & Vue Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Understanding and implementing JavaScript syntax and functions
  • Efficiently handling exceptions and errors in JavaScript
  • Using JavaScript ES6 features such as arrow functions and template literals
  • Implementing object-oriented programming concepts in JavaScript
  • Working with APIs and making HTTP requests in JavaScript
  • Understanding Vue component lifecycle and its hooks
  • Designing and implementing components in Vue
  • Handling events and data binding in Vue
  • Applying CSS box model concepts in web development
  • Creating flexible and responsive layouts using Flexbox and Grid
  • Implementing responsive design techniques in CSS
  • Writing clean and efficient JavaScript code
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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this JavaScript, HTML/CSS & Vue Test will be non-googleable.

🧐 Question

Medium

Async Await Promises
Promises
Async-Await
Solve
What will the following code output?
 image
A: 24 after 5 seconds and after another 5 seconds, another 24
B: 24 followed by another 24 immediately
C: 24 immediately and another 24 after 5 seconds
D: After 5 seconds, 24 and 24
E: Undefined
F: NaN
G: None of these

Medium

Bitcoin prices
Axios
Promises
Solve
Review the following JavaScript code and pick the correct options: 
 image
Assume that the API returns a successful 200 response code and a JSON object as the response body. What would the value of ‘a’ be after the code is executed?

Medium

My Module
Scope
Solve
What will the output of the following JavaScript code be?
 image
 image

Medium

Promise Resolve
Promises
Async-Await
Solve
What does the following code output? 
 image

Easy

Throw, Try, Async
Promises
Async-Await
Solve
What does the following JS code output?
 image

Easy

Background Properties
Solve
Consider the following shorthand CSS example:

background: #f7f7f7 url(jolie.jpg) no-repeat scroll 0px 0px;

Which of the following show the individual background properties represented by the shorthand:
 image

Easy

Colorful sentences
Solve
Our intern is writing a colorful blog post, and has written the following code. What colors will the sentences be?
 image
A: Sentence 1 will be gray, Sentence 2 will be pink.
B: Both sentences will be gray.
C: Sentence 1 will be pink, Sentence 2 will be gray.
D: Both sentences will be pink.
E: The code does not make sense; will throw an error.

Easy

Links
Solve
In the following HTML, what will be the color of link with class "mark"
 image

Medium

Let's Hack
CSS Property
Solve
Consider the following HTML and CSS:
 image
 image
Which additional CSS rule(s) will render the following image? Choose ALL that apply.
 image
A:
div{
  flex-direction : column;
  align-items : center;
}
B:
div{
  flex-direction : row;
  align-items: center;
}
C:
div{
  flex-direction: column;
  justify-content: center;
}
D:
div{
  flex-direction: row;
  justify-content: center;
}

Hard

Reactivity - Arrays and Objects
Array
Solve
Here are different ways to make changes to arrays and objects in Vue.
 image
Which of the following statements are true?

I) A retains reactivity of items array
II) B retains reactivity of items array
III) C retains reactivity of user object
IV) D retains reactivity of user object

Medium

Component Lifecycle
Solve
Consider the following Vue2 component:
 image
What will be printed in the console?
 image

Easy

Registration Queue
Logic
Queues
Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount.
For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition.
⚠️⚠️⚠️ Note:
- The first line of the input is the length of the array. The second line contains all the elements of the array.
- The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function.
- You need to "print" the final result (not return it) to pass the test cases.

For the example discussed above, the input will be:
5
20 70 -40 30 -10

Your code needs to print the following to the standard output:
20 70 30 -40 -10

Medium

Visitors Count
Strings
Logic
Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. 
Example:

Input:
WWMMWWCCC

Expected Output: 
4W3C2M

Explanation: 
‘W’ has the highest count, then ‘C’, then ‘M’. 
⚠️⚠️⚠️ Note:
- The input is already parsed and passed to a function.
- You need to "print" the final result (not return it) to pass the test cases.
- If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 Question🔧 Skill

Medium

Async Await Promises
Promises
Async-Await

2 mins

JavaScript
Solve

Medium

Bitcoin prices
Axios
Promises

2 mins

JavaScript
Solve

Medium

My Module
Scope

2 mins

JavaScript
Solve

Medium

Promise Resolve
Promises
Async-Await

2 mins

JavaScript
Solve

Easy

Throw, Try, Async
Promises
Async-Await

2 mins

JavaScript
Solve

Easy

Background Properties

2 mins

HTML/CSS
Solve

Easy

Colorful sentences

2 mins

HTML/CSS
Solve

Easy

Links

2 mins

HTML/CSS
Solve

Medium

Let's Hack
CSS Property

3 mins

HTML/CSS
Solve

Hard

Reactivity - Arrays and Objects
Array

2 mins

Vue
Solve

Medium

Component Lifecycle

3 mins

Vue
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Async Await Promises
Promises
Async-Await
JavaScript
Medium2 mins
Solve
Bitcoin prices
Axios
Promises
JavaScript
Medium2 mins
Solve
My Module
Scope
JavaScript
Medium2 mins
Solve
Promise Resolve
Promises
Async-Await
JavaScript
Medium2 mins
Solve
Throw, Try, Async
Promises
Async-Await
JavaScript
Easy2 mins
Solve
Background Properties
HTML/CSS
Easy2 mins
Solve
Colorful sentences
HTML/CSS
Easy2 mins
Solve
Links
HTML/CSS
Easy2 mins
Solve
Let's Hack
CSS Property
HTML/CSS
Medium3 mins
Solve
Reactivity - Arrays and Objects
Array
Vue
Hard2 mins
Solve
Component Lifecycle
Vue
Medium3 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve

Test candidates on core JavaScript, HTML/CSS & Vue Hiring Test topics

JavaScript Basics: JavaScript Basics covers the fundamental concepts and syntax of the JavaScript programming language. It includes topics such as variables, data types, operators, control flow, and functions. This skill is essential to assess as it forms the foundation of any JavaScript development.

JS ES6: JS ES6 refers to ECMAScript 2015, which introduced several new features and improvements to JavaScript. It includes concepts such as arrow functions, template literals, destructuring, and modules. Assessing this skill ensures that candidates are familiar with modern JavaScript syntax and can utilize its advanced capabilities.

JS OOPs: JS OOPs stands for JavaScript Object-Oriented Programming. It involves understanding and applying object-oriented principles such as encapsulation, inheritance, and polymorphism in JavaScript. This skill is important as it allows developers to write more organized and reusable code, ultimately enhancing code efficiency and maintainability.

Handling APIs: Handling APIs involves using JavaScript to interact with Application Programming Interfaces (APIs) and fetch data from external sources. It includes concepts such as making HTTP requests, handling responses, and working with JSON data. This skill is crucial as it demonstrates a candidate's ability to integrate third-party services and retrieve information from external resources.

Vue Component Lifecycle: Vue Component Lifecycle refers to the sequence of events that occur during the lifespan of a Vue.js component. This includes creation, mounting, updating, and destruction phases. Understanding the component lifecycle allows developers to effectively manage and manipulate component data and behavior, ensuring smooth rendering and interaction.

Designing Components and handling events in Vue: Designing Components and handling events in Vue involves creating reusable and structured Vue.js components, as well as handling user interactions and events within those components. This skill is important as it assesses a candidate's ability to design modular and interactive user interfaces using Vue.js, which is widely used in modern web development.

CSS Box model: CSS Box model refers to the fundamental concept of how elements are structured and sized in CSS. It includes understanding the properties such as margin, padding, border, and content size. Assessing this skill ensures that candidates have a solid understanding of CSS layout and can accurately control the spacing and dimensions of elements on a webpage.

Flexbox and Grid layouts: Flexbox and Grid layouts are CSS features that provide powerful and flexible ways to create responsive and dynamic layouts in web design. Assessing this skill ensures candidates can effectively utilize these layout systems to create visually appealing and responsive webpages across different devices and screen sizes.

Responsive CSS: Responsive CSS involves designing and implementing webpages that adapt and respond to different screen sizes and resolutions. It includes techniques such as media queries, fluid grids, and flexible images. Assessing this skill determines a candidate's ability to create responsive and mobile-friendly websites, which is essential in today's multi-device and mobile-focused world.

JavaScript Programming: JavaScript Programming assesses a candidate's overall proficiency in writing clean, efficient, and functional JavaScript code. It includes understanding advanced concepts, best practices, and problem-solving skills. This skill is crucial as it evaluates a candidate's ability to build complex JavaScript applications and solve real-world programming challenges.

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Have questions about the JavaScript, HTML/CSS & Vue Hiring Test?

What roles can I use the JavaScript, HTML/CSS & Vue Test for?

Here are few roles for which we recommend this test:

  • Front-end Developer
  • Vue Developer
  • JavaScript Developer
  • Full Stack Developer
  • Vue Application Developer
Can I combine the JavaScript, HTML/CSS & Vue Test with other skills?

Yes, recruiters can request a custom test that includes multiple skills. For example, you can add JavaScript & NodeJS Test to assess NodeJS skills alongside JavaScript, HTML/CSS, and Vue.

How to use the JavaScript, HTML/CSS & Vue Test in my hiring process?

Use this test as a pre-screening tool at the beginning of your recruitment process. Add a link to the assessment in your job post or invite candidates via email.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

What is the JavaScript, HTML/CSS & Vue Test?

The JavaScript, HTML/CSS & Vue Test assesses candidates' proficiency in JavaScript, HTML/CSS, and Vue.js. Recruiters use this test to evaluate the technical skills of potential hires for web development roles.

What topics are evaluated in the JavaScript, HTML/CSS & Vue Test?

This test covers JavaScript Basics, ES6, OOPs, Handling APIs, Vue Component Lifecycle, Designing Components, CSS Box model, Flexbox and Grid layouts, Responsive CSS, and JavaScript Programming. It also assesses advanced skills like error handling, debugging, and using CSS preprocessors in senior roles.

Can I test JavaScript and Vue together in one test?

Yes, you can test JavaScript and Vue together. We recommend JavaScript, HTML/CSS & Vue Test. Testing these skills together provides a comprehensive view of candidates' frontend capabilities.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

What is the cost of using this test?

You can check out our pricing plans.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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