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Home / Interview Subjects / Vue.js
WithoutBook LIVE Mock Interviews Vue.js Related interview subjects: 19

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Know the top Vue.js interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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Know the top Vue.js interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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Ques 1

What are dynamic components in Vue.js?

Dynamic components in Vue.js are components whose type is determined at runtime. They are created using the element and can be switched or replaced dynamically based on a variable or expression.
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Ques 2

Explain the virtual DOM in Vue.js.

The virtual DOM in Vue.js is an in-memory representation of the real DOM elements. It is used to optimize rendering by minimizing the number of manipulations needed on the actual DOM, improving performance in complex applications.
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Ques 3

How does Vue.js handle components communication?

Vue.js supports various ways of components communication, including props for parent-to-child communication, custom events for child-to-parent communication, and a centralized state management system like Vuex for communication between distant components.
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Ques 4

Explain Vue.js transition system.

Vue.js provides a transition system that allows you to apply transition effects to elements when they enter or leave the DOM. It involves transition classes, CSS animations, and JavaScript hooks for fine-grained control over the transition process.
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Ques 5

What is the purpose of the keep-alive tag in Vue.js?

The tag in Vue.js is used to cache and preserve the state of components. It prevents the destruction of components when they are toggled, allowing them to retain their state and avoid re-rendering.
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Ques 6

Explain the concept of render functions in Vue.js.

Render functions in Vue.js provide a more programmatic way to define the template of a component. They allow you to create components using JavaScript functions instead of templates.
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Ques 7

What is server-side rendering (SSR) in the context of Vue.js?

Server-side rendering in Vue.js is the process of rendering Vue components on the server, generating HTML for initial page load. It improves performance and SEO by delivering pre-rendered content.
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Ques 8

Explain the purpose of the nextTick function in Vue.js.

The nextTick function in Vue.js allows you to perform actions after the DOM has been updated. It is useful for performing tasks after the next rendering cycle.
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Ques 10

Explain the concept of renderless components in Vue.js.

Renderless components in Vue.js are components that do not have a template of their own. They are designed to provide logic and functionality to their children without rendering any HTML.
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