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Vue Js · Question Set
Vue Master Quiz interview questions for placements and exams.
Questions
18
Included in this set
Subject
Vue Js
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Difficulty
Mixed
Level of this set
Go through each question and its explanation. Use this set as a focused practice pack for Vue Js.
Mustache syntax {{ }} renders reactive values into templates.
<p>{{ message }}</p>For complete preparation, combine this set with full subject-wise practice for Vue Js. You can also explore other subjects and sets from the links below.
v-if adds or removes elements from the DOM based on a condition.
v-bind (or :) binds attributes and props to reactive values.
<img :src="avatarUrl">
created runs after instance setup, so data fetches can start early.
Vue 3 renamed it to unmounted; destroyed is Vue 2 terminology.
SSR is supported via Nuxt or Vue SSR tooling, not core runtime.
Vue Router maps URLs to components for single-page navigation.
Vue CLI bootstraps projects with modern tooling and presets.
Use v-on (or @) to listen to DOM events like click or input.
<button v-on:click="save()">Save</button>
Vue.js is a progressive front-end framework for building UIs and SPAs.
v-tooltip is a typical example name for a custom directive.
Computed values are reactive and memoized for performance.
SFCs co-locate template, logic, and styles for a component.
Watchers react to specific data changes to run side effects.
Caching avoids re-running expensive logic on every render.
Directives (like v-if, v-for, v-bind) attach reactive behavior to markup.
Vuex provides a centralized store with predictable state mutations.
v-for iterates items and should use a unique :key for stability.
<li v-for="u in users" :key="u.id">{{ u.name }}</li>