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. 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

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

this.$route.navigate()

this.$router.navigate()

Vue.navigate()

Vue.$router.navigate()

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

event.preventDefault()

event.prevent()

this.preventEvent()

this.$preventDefault()

4. How can you bind inline styles dynamically in Vue.js?

v-bind:style

v-inline-style

v-style

v-styles

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

data: []

data = {}

data() {}

data: function() {}

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

this.$store

Vue.store

this.store

Vue.$store

7. 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

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

created

mounted

updated

destroyed

10. What is the purpose of the "template" option in a Vue component?

It defines computed properties

It specifies the HTML template for the component

It sets up event listeners

It handles the component's lifecycle hooks

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

Vue.filter()

filters: {}

filter() {}

this.$filter()

12. 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

13. What is the purpose of the "meta" field in Vue Router routes?

It defines metadata for the Vue app

It sets up event listeners

It specifies the methods that can be called in the template

It handles the component's lifecycle hooks

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

Vue.mixin()

mixin: {}

mixins: {}

this.$mixin()

15. 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

16. 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

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

v-show

v-if

v-bind

v-for

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

<router- bind>

. <router-link>

<route-component>

<router-view>

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

v-for

v-if

v- loop

v-repeat

20. 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

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