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 "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

2. 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

3. 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

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

beforeCreate

beforeMount

beforeUpdate

beforeDestroy

5. In Vue.js, what does the "v-cloak" directive do?

It defines a custom directive

It hides an element until Vue's compilation is done

It creates a transition effect

It binds a class dynamically

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

v-model

v-bind

v-show

v-if

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

v-bind

v- model

v-show

v-if

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

v-bind:style

v-inline-style

v-style

v-styles

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

Vue.filter()

filters: {}

filter() {}

this.$filter()

10. 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

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

v-debounce

v-throttle

v-input-debounce

v-model-debounce

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

v-for

v-if

v- loop

v-repeat

13. 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

14. What is Vue.js?

A server-side scripting language

A front-end JavaScript framework

A database management system

A programming language

15. 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

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

created

mounted

updated

destroyed

17. 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

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

this.$route.params

this.params

Vue.route.params

Vue.params

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

this.$route.navigate()

this.$router.navigate()

Vue.navigate()

Vue.$router.navigate()

20. How can you commit a mutation in Vuex?

this.commit()

commit.mutation()

this.$store.commit()

Vuex.commit()

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