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Vue 2 Test

Back to Library

Type

Programming Skills

Time

10 minutes

Level

Medium

Questions

10

About the Test

Vue.js is a JavaScript framework for building web applications. It was created in 2014 by Evan You and has since become one of the most popular JavaScript frameworks for building modern, interactive web apps. Vue.js is known for its simplicity, ease of use, and lightweight size, making it a popular choice for developers who want to create fast, responsive web applications.

Vue.js is built on the concept of components, which are reusable pieces of code that can be nested and reused within an app. Vue.js also has a reactive data model, which means that the app’s user interface will automatically update when data changes. This makes it easy for developers to create dynamic and interactive web apps.

Vue.js has a large and active community of developers and is constantly updated and improved with new features and functionality. Vue.js 2 was released in 2016 and introduced a number of significant changes and improvements to the framework, including a new rendering engine, improved performance, and a new syntax for defining components.

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Skills Measured

  • Introduction
  • Components
  • Vue Router
  • Computed and Watchers
  • Events & Directives

Roles

  • Frontend Developer
  • Web Developer
  • UI/UX designer
  • Web Engineer

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1

Introduction

Vue.js is a JavaScript framework for building web applications. It was created in 2014 by Evan You and has since become one of the most popular JavaScript frameworks for building modern, interactive web apps. Vue.js is known for its simplicity, ease of use, and lightweight size, making it a popular choice for developers who want to create fast, responsive web applications.

2

Components

Components: Components are reusable pieces of code in Vue.js that allow developers to create complex user interfaces. Components can be nested and reused within a Vue.js application.

3

Vue Router

Vue Router: Vue Router is a library that allows developers to create single-page applications with Vue.js by handling client-side routing. It enables developers to specify which components should be displayed in the app based on the current URL.

4

Computed and Watchers

Computed and Watchers: Computed properties and watchers are two features in Vue.js that allow developers to define functions that are automatically re-evaluated based on changes to the app’s data. Computed properties are functions that are cached and only re-evaluated when their dependencies change, while watchers are functions that are triggered whenever a specific data property changes.

5

Events & Directives

Events & Directives: Events and directives are two features in Vue.js that allow developers to bind specific behaviors to elements in the app’s user interface. Events are triggered by user interactions, such as clicks or hover events, while directives are special attributes that bind behavior to an element. Directives are identified by a prefix, such as “@” or “v-“, and are used to bind data to an element or apply logic to the element’s behavior.

The test is created by a subject-matter expert

Testlify’s skill tests are designed by experienced SMEs (subject matter experts). We evaluate these experts based on specific metrics such as expertise, capability, and their market reputation. Prior to being published, each skill test is peer-reviewed by other experts and then calibrated based on insights derived from a significant number of test-takers who are well-versed in that skill area. Our inherent feedback systems and built-in algorithms enable our SMEs to refine our tests continually.

View sample score cards

Top five hard skills interview questions for Vue 2

1. Can you explain the differences between Vue 2 and Vue 3?
Why this Matters?

This question tests the candidate’s knowledge of Vue.js and their ability to compare and contrast different versions of the framework.

What to listen for?

Listen for a detailed explanation of the key differences between Vue 2 and Vue 3, including any updates or changes to the API, performance improvements, and any new features or functionality.

2. How would you optimize the performance of a Vue 2 application?
Why this Matters?

This question tests the candidate’s ability to optimize the performance of Vue 2 applications, which is an important consideration for front-end development.

What to listen for?

Listen for a detailed explanation of how the candidate would optimize the performance of a Vue 2 application, including how they would analyze and identify any performance bottlenecks, how they would use tools like Vue Devtools to debug and optimize the application, and how they would implement performance improvements like lazy loading and code splitting.

3. How would you integrate a Vue 2 application with a third-party library or API?
Why this Matters?

This question tests the candidate’s ability to integrate Vue 2 applications with external libraries or APIs, which is a common task in front-end development.

What to listen for?

Listen for a detailed explanation of how the candidate would integrate a Vue 2 application with a third-party library or API, including how they would use tools like Axios or Fetch to make API requests, how they would handle authentication and authorization, and how they would manage any errors or exceptions.

4. Can you explain how Vue 2’s reactivity system works?
Why this Matters?

This question tests the candidate’s understanding of Vue 2’s core reactivity system, which is a key feature of the framework.

What to listen for?

Listen for a detailed explanation of how Vue 2’s reactivity system works, including how it detects changes to data, how it updates the view, and how it handles complex reactivity scenarios like arrays and objects.

5. How would you implement server-side rendering (SSR) in a Vue 2 application?
Why this Matters?

This question tests the candidate’s ability to implement SSR in Vue 2 applications, which is an important consideration for improving performance and SEO.

What to listen for?

Listen for a detailed explanation of how the candidate would implement SSR in a Vue 2 application, including how they would use a framework like Nuxt.js or Vue SSR to set up a server-side rendering environment, how they would handle routing and data fetching, and how they would optimize the SSR experience for performance and usability.

Frequently Asked Questions for Vue 2

This assessment is designed to evaluate a candidate’s knowledge of the Vue.js framework, particularly the Vue 2 version. It covers core concepts, design patterns, and best practices, as well as the Vue CLI and related technologies such as Router, Server Side Rendering (SSR), and Vuex. The test will assess a candidate’s skills in these areas and determine their overall proficiency with Vue.js.

This test will allow the user to test their knowledge of the Vue.js framework (Vue 2) and provide insight into how well they understand javascript as the core language.

  • Frontend Developer
  • Web Developer
  • UI/UX designer
  • Web Engineer

  • Introduction
  • Components
  • Vue Router
  • Computed and Watchers
  • Events & Directives

  • Designing and implementing user interfaces: A Vue 2 developer is responsible for designing and implementing the user interface of a web application using Vue 2 components and templates.
  • Writing and maintaining code: A Vue 2 developer is responsible for writing and maintaining the code that powers a web application, including implementing features and functionality using Vue 2 and other technologies.
  • Debugging and troubleshooting: A Vue 2 developer is responsible for identifying and fixing problems that arise in the code and the application.

Frequently Asked Questions (FAQs)

Want to know more about Testlify? Here are answers to the most commonly asked questions about our company.

These are ready-made tests, existing in our test library, created by subject matter experts. We have 200+ such skills tests covering various skills from programming skills to DevOps, including Aptitude and Personality testing.

You can go to the ‘Test Library’ tab and search for tests from the Job Role or Test Type drop-down menu.

Currently, we do not offer any sample tests. However, when you select a test, there would be a few practice questions before the start of the actual test, which would give you a fair idea of how the entire test would look.

Our tests typically take between 25-30 minutes to complete.

In case you need to test for a unique skill-set or specialized experience, you can add your own questions and customize the test to suit your requirements.

We’ve put a lot of effort into ensuring a conducive test environment. A stable internet connection, an internet browser with cookies and Java-Script enabled is all that is required!
However, for a smooth test-taking process, we recommend the following browsers:
– Google Chrome
– Internet Expl
– Mozilla Firefox

Yes, our tests are compatible with almost all modern mobile devices (including tablets) that have a webcam installed.

Yes, our tests are EEOC (Equal Employment Opportunity Commission) compliant and are whetted by subject matter experts, thus having high reliability (test consistency) and validity (accuracy of the test).

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We are GDPR compliant and take data security very seriously. You have complete ownership of your data. All your data is safe and secure, and we do not expose it to any third party.

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