Vue.js?

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VUE JS

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1. Which directive is used to bind an attribute dynamically in Vue.js?

v-bind

v- model

v-show

v-if

2. Which directive is used for two-way data binding in Vue.js?

v-model

v-bind

v-show

v-if

3. How can you prevent the default behavior of an event in Vue.js?

event.preventDefault()

event.prevent()

this.preventEvent()

this.$preventDefault()

4. What is the lifecycle hook that is called after the Vue instance has been created?

created

mounted

updated

destroyed

5. How can you access the Vuex store in a Vue component?

this.$store

Vue.store

this.store

Vue.$store

6. How can you loop through an array and render items in Vue.js?

v-for

v-if

v- loop

v-repeat

7. What is Vue.js?

A server-side scripting language

A front-end JavaScript framework

A database management system

A programming language

8. What is the purpose of the "watch" option in a Vue.js component?

It watches for changes in data properties

It defines computed properties

It sets up event listeners

It handles the component's lifecycle hooks

9. What is Vuex in Vue.js used for?

It manages the application state

It handles HTTP requests

It facilitates component communication

It enables navigation between views in a single-page application

10. How can you handle route parameters in Vue Router?

this.$route.params

this.params

Vue.route.params

Vue.params

11. How do you dynamically bind a component to a route in Vue Router?

<router- bind>

. <router-link>

<route-component>

<router-view>

12. How can you emit a custom event from a child component to its parent in Vue.js?

emitEvent()

this.$emit()

dispatchEvent()

broadcastEvent()

13. How can you create a mixin in Vue.js?

Vue.mixin()

mixin: {}

mixins: {}

this.$mixin()

14. Which Vue.js lifecycle hook is called when a component is about to be destroyed?

beforeCreate

beforeMount

beforeUpdate

beforeDestroy

15. How can you bind a CSS class dynamically based on a condition in Vue.js?

v- bind-class

v-class

v-bind:class

v-style

16. What is the purpose of the "methods" option in a Vue component?

It defines the data properties of the component

It specifies the methods that can be called in the template

It sets up event listeners for the component

It handles the component's lifecycle hooks

17. What is the purpose of the "provide/inject" feature in Vue.js?

It provides a way to inject CSS styles into components

It establishes a connection between parent and child components

It manages the state of the Vuex store

It controls the routing of the Vue app

18. How do you import a Vue.js component into another component?

import Component from 'Component.vue';

require('Component.vue');

import { Component } from 'vue';

import Component from './Component.vue';

19. What is the purpose of the "transition" tag in Vue.js?

It defines a custom transition effect

It creates a new Vue instance

It sets up event listeners

It loops through an array

20. In Vue.js, how can you conditionally render content based on a condition?

v-show

v-if

v-bind

v-for

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