Vue JS Project Components 3

Question 1

How do you pass data from a parent to a child component?

Accepted Answer

Through props

Answer

Through emits

Answer

Through slots only

Answer

Through the store automatically

Question 2

Which option declares the events a component can emit?

Accepted Answer

emits

Answer

events

Answer

signals

Answer

dispatch

Question 3

What is the purpose of a slot in a component?

Accepted Answer

To let parents inject custom content into the child

Answer

To define reactive data

Answer

To register child components

Answer

To scope CSS

Question 4

How does a child notify its parent that something happened?

Accepted Answer

By calling $emit with an event name

Answer

By mutating the parent's data directly

Answer

By returning a value from data()

Answer

By importing the parent

Question 5

What is a named slot used for?

Accepted Answer

Targeting specific outlets when a component has multiple slots

Answer

Naming a component file

Answer

Declaring props

Answer

Defining computed values

Question 6

Why should props be treated as read-only inside a child component?

Accepted Answer

Mutating props breaks one-way data flow and triggers warnings

Answer

Props are encrypted

Answer

Props are functions

Answer

Props cannot be read

Question 7

Which directive listens for a custom event emitted by a child?

Accepted Answer

v-on (@)

Answer

v-bind (:)

Answer

v-model

Answer

v-slot