Vue JS Foundation of Vue Js 2

Question 1

Which Vue API style organizes logic by feature using a single setup() function?

Accepted Answer

Composition API

Answer

Options API

Answer

Class API

Answer

Functional API

Question 2

What does the v-bind directive do in a Vue template?

Accepted Answer

Dynamically binds an attribute or prop to an expression

Answer

Binds an event listener

Answer

Loops over an array

Answer

Conditionally renders an element

Question 3

Which shorthand represents the v-on directive?

Accepted Answer

@

Answer

:

Answer

#

Answer

*

Question 4

In Vue 3, what function creates a reactive primitive value?

Accepted Answer

ref()

Answer

reactive()

Answer

computed()

Answer

watch()

Question 5

What is the purpose of the key attribute in a v-for loop?

Accepted Answer

To give Vue a hint for tracking node identity

Answer

To sort the list

Answer

To hide duplicate items

Answer

To filter the array

Question 6

Which directive renders an element only when a condition is true and removes it from the DOM otherwise?

Accepted Answer

v-if

Answer

v-show

Answer

v-model

Answer

v-html

Question 7

What does v-model provide on a form input?

Accepted Answer

Two-way data binding

Answer

One-way attribute binding

Answer

Event delegation

Answer

CSS class binding