Vue.js?

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VUE JS

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1. 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

2. 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

3. 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

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

this.$store

Vue.store

this.store

Vue.$store

5. 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

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

Vue.filter()

filters: {}

filter() {}

this.$filter()

7. 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

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

<router- bind>

. <router-link>

<route-component>

<router-view>

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

v-bind

v- model

v-show

v-if

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

v-bind:style

v-inline-style

v-style

v-styles

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

v-show

v-if

v-bind

v-for

14. How can you emit a custom event from a child component to its parent in Vue.js?

emitEvent()

this.$emit()

dispatchEvent()

broadcastEvent()

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

v-model

v-bind

v-show

v-if

16. How can you commit a mutation in Vuex?

this.commit()

commit.mutation()

this.$store.commit()

Vuex.commit()

17. What is the purpose of the "provide/inject" feature in Vue.js?

It provides a way to inject CSS styles into components

It establishes a connection between parent and child components

It manages the state of the Vuex store

It controls the routing of the Vue app

18. 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

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

data: []

data = {}

data() {}

data: function() {}

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

Vue.mixin()

mixin: {}

mixins: {}

this.$mixin()

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