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JS-Dev-101
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Exam Code: JS-Dev-101

Exam Name: Salesforce Certified JavaScript Developer - Multiple Choice

Updated: Sep 14, 2026

Number: 149 Q&As with Testing Engine

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Salesforce JS-Dev-101 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Server Side JavaScript: Covers Node.js implementations, CLI commands, core modules, and package management solutions for given scenarios.
Topic 2
  • Asynchronous Programming: Covers asynchronous programming concepts and understanding how the event loop controls execution flow and determines outcomes.
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.

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
Exam Number:JS-Dev-101
Passing Score:65%
Exam Duration:105 minutes
Exam Price:$200 USD
Available Languages:English
Certificate Validity Period:Lifetime (No renewal required)
Real Exam Qty:60 (plus up to 5 unscored pilot questions)
Exam Format:Multiple Choice, Multiple Select
Related Certifications:Salesforce Certified JavaScript Developer I
Lightning Web Components Specialist Superbadge
Sample Questions:Salesforce JS-Dev-101 Sample Questions
Exam Way:Online (Proctored)
Pre Condition:Completion of the Lightning Web Components Specialist Superbadge is required to earn the full credential, though it can be completed before or after the exam.
Official Syllabus URL:https://trailhead.salesforce.com/en/credentials/javascriptdeveloperi

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