Study with Salesforce : JS-Dev-101 Exam Torrent as your best preparation materials

Updated: Jul 24, 2026

No. of Questions: 149 Questions & Answers with Testing Engine

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Salesforce JS-Dev-101 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Objects, Functions, and Classes: Covers function, object, and class implementations to meet business requirements, along with the use of modules, decorators, variable scope, and execution flow.
Topic 2
  • Testing: Covers evaluating unit test effectiveness against a block of code and modifying tests to improve their coverage and reliability.
Topic 3
  • 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 4
  • Asynchronous Programming: Covers asynchronous programming concepts and understanding how the event loop controls execution flow and determines outcomes.
Topic 5
  • Browser and Events: Covers DOM manipulation, event handling and propagation, browser-specific APIs, and using Browser Developer Tools to inspect code behavior.
Topic 6
  • Debugging and Error Handling: Covers proper error handling techniques and the use of the console and breakpoints to debug code.

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

Salesforce JS-Dev-101 Exam Overview:

Certification Vendor:Salesforce
Exam Name:Salesforce Certified JavaScript Developer - Multiple Choice
Exam Number:JS-Dev-101
Certificate Validity Period:Does not expire; requires maintenance updates
Exam Format:Multiple choice, Multiple select
Related Certifications:Salesforce Certified Developer
Salesforce Certified Platform Developer I
Passing Score:65%
Real Exam Qty:60 scored + up to 5 unscored
Exam Price:USD 200
Exam Duration:105 minutes
Available Languages:English, Japanese
Recommended Training:Trailhead JavaScript Developer I Certification Prep
Exam Registration:Salesforce Certification Registration
Sample Questions:Salesforce JS-Dev-101 Sample Questions
Exam Way:Online proctored or onsite at authorized testing centers
Pre Condition:No formal prerequisites; recommended: strong JavaScript fundamentals, ES6+ experience, web development familiarity
Official Syllabus URL:https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101

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