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Salesforce Certified JavaScript Developer - Multiple Choice : JS-Dev-101
- Exam Code: JS-Dev-101
- Exam Name: Salesforce Certified JavaScript Developer - Multiple Choice
- Updated: Oct 12, 2026
- Q & A: 149 Questions and Answers
About Salesforce Certified JavaScript Developer - Multiple Choice : JS-Dev-101 Exam
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Salesforce JS-Dev-101 Exam Syllabus Topics:
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions:
Question #1
A test searches for:
<button class="blue">Checkout</button>
But the actual HTML is:
<button>Checkout</button>
The test fails because it expects a class that no longer exists.
What type of test outcome is this?
- A. True negative
- B. False positive
- C. False negative
- D. True positive
Correct Answer: C 🗳️
Explanation: Only visible for Free4Torrent members. You can sign-up / login (it's free).
Question #2
A developer is leading the creation of a new web server for their team that will fulfill API requests from an existing client. The team wants a web server that runs on Node.js, and they want to use the new web framework Minimalist.js. The lead developer wants to advocate for a more seasoned back-end framework that already has a community around it.
Which two frameworks could the lead developer advocate for?
- A. Next.js
- B. Next
- C. Angular
- D. Gatsby
Correct Answer: A,B 🗳️
Explanation: Only visible for Free4Torrent members. You can sign-up / login (it's free).
Question #3
Refer to the code below:
01 let total = 10;
02 const interval = setInterval(() => {
03 total++;
04 clearInterval(interval);
05 total++;
06 }, 0);
07 total++;
08 console.log(total);
Considering that JavaScript is single-threaded, what is the output of line 08 after the code executes?
- A. 10
- B. 11
- C. 12
- D. 13
Correct Answer: B 🗳️
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Question #4
A developer imports:
import printPrice from '/path/PricePrettyPrint.js';
What must be true about printPrice for this import to work?
- A. printPrice must be the default export
- B. printPrice must be an all export
- C. printPrice must be a multi export
- D. printPrice must be a named export
Correct Answer: A 🗳️
Explanation: Only visible for Free4Torrent members. You can sign-up / login (it's free).
Question #5
Refer to the code snippet:
01 let array = [1, 2, 3, 4, 4, 5, 4, 4];
02 for (let i = 0; i < array.length; i++) {
03 if (array[i] === 4) {
04 array.splice(i, 1);
05 i--;
06 }
07 }
What is the value of array after the code executes?
- A. [1, 2, 3, 4, 5, 4, 4]
- B. [1, 2, 3, 5]
- C. [1, 2, 3, 4, 4, 5, 4]
- D. [1, 2, 3, 4, 5, 4]
Correct Answer: B 🗳️
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