v-model modifiers (lazy, number, trim) in Vue - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to bind the input value lazily using v-model.

Vue

<input type="text" v-model[1]="username" />

Drag options to blanks, or click blank then click option'

A.number

B.lazy

C.trim

D.sync

Attempts:

3 left

💡 Hint

Common Mistakes

Using .number or .trim instead of .lazy

Forgetting to add the dot before the modifier

The .lazy modifier updates the model only when the input loses focus, not on every input event.

2fill in blank

medium

Complete the code to automatically convert the input value to a number using v-model.

Vue

<input type="text" v-model[1]="age" />

Drag options to blanks, or click blank then click option'

A.lazy

B.trim

C.once

D.number

Attempts:

3 left

💡 Hint

Common Mistakes

Using .lazy or .trim instead of .number

Not understanding that input values are strings by default

The .number modifier converts the input string to a number automatically.

3fill in blank

hard

Fix the error in the code to trim whitespace from the input value using v-model.

Vue

<input type="text" v-model[1]="email" />

Drag options to blanks, or click blank then click option'

A.lazy

B.number

C.trim

D.sync

Attempts:

3 left

💡 Hint

Common Mistakes

Using .lazy or .number instead of .trim

Forgetting that input values include spaces by default

The .trim modifier removes whitespace from the input value automatically.

4fill in blank

hard

Fill both blanks to bind the input with v-model that trims whitespace and updates lazily.

Vue

<input type="text" v-model[1][2]="comment" />

Drag options to blanks, or click blank then click option'

A.trim

B.number

C.lazy

D.once

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing order of modifiers incorrectly

Using .number instead of .lazy

Combining .trim and .lazy trims spaces and updates the model only on blur.

5fill in blank

hard

Fill all three blanks to bind the input with v-model that trims, converts to number, and updates lazily.

Vue

<input type="text" v-model[1][2][3]="score" />

Drag options to blanks, or click blank then click option'

A.trim

B.number

C.lazy

D.once

Attempts:

3 left

💡 Hint

Common Mistakes

Wrong order of modifiers

Using .once instead of .trim

Combining .trim, .number, and .lazy modifiers trims whitespace, converts the input to a number, and updates the model only on blur.