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-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

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

event.preventDefault()

event.prevent()

this.preventEvent()

this.$preventDefault()

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

Vue.filter()

filters: {}

filter() {}

this.$filter()

4. 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

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

this.$route.navigate()

this.$router.navigate()

Vue.navigate()

Vue.$router.navigate()

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

created

mounted

updated

destroyed

7. 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

8. 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

9. 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

10. 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

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

v-bind

v- model

v-show

v-if

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

this.$route.params

this.params

Vue.route.params

Vue.params

13. 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

14. 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

15. 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

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

this.$store

Vue.store

this.store

Vue.$store

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

Vue.mixin()

mixin: {}

mixins: {}

this.$mixin()

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

v-debounce

v-throttle

v-input-debounce

v-model-debounce

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. 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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