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: Jan 27, 2025

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Question 1

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 2

developer is trying to convince management that their team will benefit from using

Node.js for a backend server that they are going to create. The server will be a web server that

handles API requests from a website that the team has already built using HTML, CSS, and

JavaScript.

Which three benefits of Node.js can the developer use to persuade their manager?

Choose 3 answers:

A : nstalls with its own package manager to install and manage third-party libraries.

B : ures stability with one major release every few years.

C : rforms a static analysis on code before execution to look for runtime errors.

D : ecutes server-side JavaScript code to avoid learning a new language.

E : er non blocking functionality for performant request handling .

Answer: A,C

Question 3

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 4

Refer to the following array:

Let arr = [1, 2, 3, 4, 5];

Which three options result in x evaluating as [1, 2]?

Choose 3 answer

A : t x = arr. slice (2);

B : t x = arr. slice (0, 2);

C : t x arr.filter((a) => (return a <= 2 });

D : t x = arr.filter ((a) => 2 }) ;

E : t x =arr.splice(0, 2);

Answer: A,B,C

Question 5

Refer to HTML below:

The current status of an Order: <span id =''status''> In Progress </span>

Which JavaScript statement changes the text 'In Progress' to 'Completed' ?

A : cument.getElementById(''status'').Value = 'Completed' ;

B : cument.getElementById(''#status'')[removed] = 'Completed' ;

C : cument.getElementById(''status'')[removed] = 'Completed' ;

D : cument.getElementById(''.status'')[removed] = 'Completed' ;

Answer: C

Page: 1 / 44

Total 217 Questions | Updated On: Jan 27, 2025

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