Vue.js?

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VUE JS

ASSESSMENT

(YOU HAVE ONLY 30 MINUTES TO COMPLETE THIS PART [20 Questions])

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1. How do you create a Vue.js filter?

Vue.filter()

filters: {}

filter() {}

this.$filter()

2. How can you handle 404 errors (page not found) in Vue Router?

Use the <not- found> component

Configure a wildcard route

Set up a special route for 404

Use the $404 method in Vue Router

3. 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

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

event.preventDefault()

event.prevent()

this.preventEvent()

this.$preventDefault()

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

<router- bind>

. <router-link>

<route-component>

<router-view>

6. What is the purpose of the Vue Router in a Vue.js application?

It manages the application state

It handles HTTP requests

It facilitates component communication

It enables navigation between views in a single-page application

7. 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';

8. How can you define a data property in a Vue component?

data: []

data = {}

data() {}

data: function() {}

9. How can you navigate to a different route programmatically in Vue Router?

this.$route.navigate()

this.$router.navigate()

Vue.navigate()

Vue.$router.navigate()

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

created

mounted

updated

destroyed

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

this.$route.params

this.params

Vue.route.params

Vue.params

12. In Vue.js, what is the purpose of the "ref" attribute?

It defines a reference to a child component

It sets the data property for a component

It creates a computed property

It specifies the root element of a component

13. What is the purpose of the "key" attribute in Vue.js when using v-for?

It specifies the data key for the component

It defines a unique identifier for each item in the list

It sets up event listeners d. It conditionally renders an element

It conditionally renders an element

14. 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

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

v-show

v-if

v-bind

v-for

16. What is the purpose of the "v-on" directive in Vue.js?

It binds an attribute dynamically

It sets up event listeners

It conditionally renders an element

It loops through an array

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

this.$store

Vue.store

this.store

Vue.$store

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

Vue.mixin()

mixin: {}

mixins: {}

this.$mixin()

19. 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

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

beforeCreate

beforeMount

beforeUpdate

beforeDestroy

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