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: Jun 04, 2025

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Question 1

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

A : is required by the application in production.

B : is only needed for local development and testing.

C : her required packages depend on it for development.

D : should be bundled when the package is published.

Answer: B

Question 2

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 : ll : 'yellow'

C : 'none1 : 'yellow'

D : 'yellow : 'none'

Answer: D

Question 3

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 4

Given two expressions var1 and var2. What are two valid ways to return the logical AND

of the two expressions and ensure it is data type Boolean ?

Choose 2 answers:

A : olean(var1 && var2)

B : r1 && var2

C : r1.toBoolean() && var2toBoolean()

D : olean(var1) && Boolean(var2)

Answer: A,D

Question 5

Considering type coercion, what does the following expression evaluate to?

True + '13' + NaN

A : ' 113Nan '

B : 14

C : ' true13 '

D : ' true13NaN '

Answer: D

Page: 1 / 44

Total 217 Questions | Updated On: Jun 04, 2025

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