100% Free Salesforce Javascript-Developer-I Practice Test Questions and Answers 2026

Start Learning with the Latest and Real 100% Free Salesforce Javascript-Developer-I Exam Questions

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Total 217 Questions | Updated On: May 24, 2026
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Question 1

Which three actions can be using the JavaScript browser console?
Choose 3 answers:


Answer: A,C,D
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


Answer: B,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:


Answer: A,C
Question 4

Which javascript methods can be used to serialize an object into a string and deserialize
a JSON string into an object, respectively?


Answer: A
Question 5

A developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three numbers in the array, and the test passes.
A different developer made changes to the behavior of sum3 to instead sum only the first two numbers present in the array.

Capture

Which two results occur when running this test on the updated sum3 function?
Choose 2 answers


Answer: B,D
Page:    1 / 44      
Total 217 Questions | Updated On: May 24, 2026
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