Salesforce JS-Dev-101

Exam Code: JS-Dev-101

Exam Name: Salesforce Certified JavaScript Developer - Multiple Choice

Updated: Sep 12, 2026

Q&A Number: 149 Q&As

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About Salesforce JS-Dev-101 Exam Questions and Answers

Salesforce JS-Dev-101 Exam Syllabus Topics:

Topic	Details
Topic 1	Asynchronous Programming: Covers asynchronous programming concepts and understanding how the event loop controls execution flow and determines outcomes.
Topic 2	Variables, Types, and Collections: Covers declaring and initializing variables, working with strings, numbers, dates, arrays, and JSON, along with understanding type coercion and truthy falsy evaluations.
Topic 3	Testing: Covers evaluating unit test effectiveness against a block of code and modifying tests to improve their coverage and reliability.

Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101

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