Free Salesforce Javascript-Developer-I Exam Questions

Become Salesforce Certified with updated Javascript-Developer-I exam questions and correct answers

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Total 217 Questions | Updated On: Nov 13, 2024

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Question 1

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 : n

C : 5

D : defined

Answer: C

Question 2

A developer is leading the creation of a new browser application that will serve a single

page application. The team wants to use a new web framework Minimalsit.js. The Lead

developer wants to advocate for a more seasoned web framework that already has a

community around it.

Which two frameworks should the lead developer advocate for?

Choose 2 answers

A :

B : gular

C : press

Answer: B,C

Question 3

Which javascript methods can be used to serialize an object into a string and deserialize

a JSON string into an object, respectively?

A : ON.stringify and JSON.parse

B : ON.serialize and JSON.deserialize

C : ON.encode and JSON.decode

D : ON.parse and JSON.deserialize

Answer: A

Question 4

Refer to the expression below:

Let x = ('1' + 2) == (6 * 2);

How should this expression be modified to ensure that evaluates to false?

A : t x = ('1' + ' 2') == ( 6 * 2);

B : t x = ('1' + 2) == ( 6 * 2);

C : t x = (1 + 2) == ( '6' / 2);

D : t x = (1 + 2 ) == ( 6 / 2);

Answer: B

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 : per (body, author, viewCount) {

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

C : nstructor (body, author, viewCount) {

D : nstructor() {

Answer: C

Page: 1 / 44

Total 217 Questions | Updated On: Nov 13, 2024

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