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Total 217 Questions | Updated On: Nov 18, 2024

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Question 1

Why would a developer specify a package.jason as a developed forge instead of a dependency ?

A : It is required by the application in production.

B : It is only needed for local development and testing.

C : Other required packages depend on it for development.

D : It should be bundled when the package is published.

Answer: B

Question 2

Refer to the code below:

Function changeValue(obj) {

Obj.value = obj.value/2;

}

Const objA = (value: 10);

Const objB = objA;

changeValue(objB);

Const result = objA.value;

What is the value of result after the code executes?

A : 10

B : Nan

C : 5

D : Undefined

Answer: C

Question 3

A developer creates a simple webpage with an input field. When a user enters text in

the input field and clicks the button, the actual value of the field must be displayed in the

console.

Here is the HTML file content:

< input type ='' text'' value=''Hello'' name =''input'' >

< button type =''button'' >Display < /button >

The developer wrote the javascript code below:

Const button = document.querySelector('button');

button.addEvenListener('click', () => (

Const input = document.querySelector('input');

console.log(input.getAttribute('value'));

When the user clicks the button, the output is always ''Hello''.

What needs to be done make this code work as expected?

A : Replace line 04 with console.log(input .value);

B : Replace line 03 with const input = document.getElementByName('input');

C : Replace line 02 with button.addEventListener(''onclick'', function() {

D : Replace line 02 with button.addCallback(''click'', function() {

Answer: A

Question 4

Given the JavaScript below:

Which code should replace the placeholder comment on line 05 to highlight accounts that match the search string'

A : 'yellow' : null

B : null : 'yellow'

C : 'none1 : 'yellow'

D : 'yellow : 'none'

Answer: D

Question 5

A developer creates a class that represents a blog post based on the requirement that a

Post should have a body author and view count.

The Code shown Below:

Class Post {

// Insert code here

This.body =body

This.author = author;

this.viewCount = viewCount;

}

Which statement should be inserted in the placeholder on line 02 to allow for a variable to be set

to a new instanceof a Post with the three attributes correctly populated?

A : super (body, author, viewCount) {

B : Function Post (body, author, viewCount) {

C : constructor (body, author, viewCount) {

D : constructor() {

Answer: C

Page: 1 / 44

Total 217 Questions | Updated On: Nov 18, 2024

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