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Updated: Jul 27, 2026

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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
  • Server Side JavaScript: Covers Node.js implementations, CLI commands, core modules, and package management solutions for given scenarios.
Topic 3
  • Testing: Covers evaluating unit test effectiveness against a block of code and modifying tests to improve their coverage and reliability.
Topic 4
  • Browser and Events: Covers DOM manipulation, event handling and propagation, browser-specific APIs, and using Browser Developer Tools to inspect code behavior.

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 I - Multiple Choice Exam (JS-Dev-101)
Exam Number:JS-Dev-101
Related Certifications:Salesforce Platform Developer I
Salesforce Platform Developer II
Exam Duration:105 minutes
Passing Score:65%
Real Exam Qty:60 (multiple choice)
Available Languages:English
Exam Format:Multiple Choice Questions, Multiple Select Questions
Certificate Validity Period:1 year (maintenance required annually in Salesforce certification program)
Exam Price:$200 USD
Recommended Training:Salesforce Trailhead - JavaScript Developer I
MDN Web Docs - JavaScript Guide
Exam Registration:Salesforce Certification Registration
Kryterion Webassessor (Exam Delivery)
Sample Questions:Salesforce JS-Dev-101 Sample Questions
Exam Way:Online proctored exam via Salesforce authorized testing platform (e.g., Webassessor)
Pre Condition:No formal prerequisites, but familiarity with JavaScript and web development is recommended.
Official Syllabus URL:https://trailhead.salesforce.com/credentials/javascriptdeveloper

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