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 dynamically bind a component to a route in Vue Router?

<router- bind>

. <router-link>

<route-component>

<router-view>

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

beforeCreate

beforeMount

beforeUpdate

beforeDestroy

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

created

mounted

updated

destroyed

4. 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

5. 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

6. 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

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

event.preventDefault()

event.prevent()

this.preventEvent()

this.$preventDefault()

8. What is Vue.js?

A server-side scripting language

A front-end JavaScript framework

A database management system

A programming language

9. What is the purpose of the "el" property in a Vue instance?

It specifies the element where the Vue app will be mounted

It defines the data properties of the Vue app

It sets the event listeners for the Vue app

It represents the Vue instance itself

10. What is the purpose of lazy loading routes in Vue Router?

It delays the loading of the entire Vue app

It speeds up the initial loading of the Vue app

It reduces the size of the Vue app

It improves the performance of the Vue app

11. 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

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

v-show

v-if

v-bind

v-for

13. How can you handle user input with debounce in Vue.js?

v-debounce

v-throttle

v-input-debounce

v-model-debounce

14. What is the purpose of the "v-show" directive in Vue.js?

It conditionally renders an element based on a condition

It binds an attribute dynamically

It toggles the visibility of an element

It loops through an array

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

data: []

data = {}

data() {}

data: function() {}

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

v-for

v-if

v- loop

v-repeat

17. What is the purpose of the "v-pre" directive in Vue.js?

It prevents a component from being re-rendered

It skips compilation for this element and all its children

It pre-fetches data before rendering

It pre-renders the component

18. How do you create a computed property in Vue.js?

computed: {}

computed() {}

computed = {}

computed = function() {}

19. 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

20. 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

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