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 "props" option in a Vue.js component?

It defines computed properties

It specifies the methods that can be called in the template

It sets up event listeners

It receives data from a parent component

2. 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

3. 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

4. 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

5. 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

6. 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

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

v-bind:style

v-inline-style

v-style

v-styles

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

computed: {}

computed() {}

computed = {}

computed = function() {}

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

created

mounted

updated

destroyed

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

Vue.filter()

filters: {}

filter() {}

this.$filter()

11. 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

12. 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

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

v-bind

v- model

v-show

v-if

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

v-debounce

v-throttle

v-input-debounce

v-model-debounce

15. 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

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

Vue.mixin()

mixin: {}

mixins: {}

this.$mixin()

17. How can you commit a mutation in Vuex?

this.commit()

commit.mutation()

this.$store.commit()

Vuex.commit()

18. 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

19. 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

20. 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

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