Salesforce Certified JavaScript Developer
Exam Code: JS-Dev-101
The Salesforce Certified JavaScript Developer I – Multiple Choice certification validates your knowledge of modern JavaScript fundamentals and development concepts. It demonstrates your ability to work with JavaScript syntax, asynchronous programming, DOM manipulation, testing, and browser APIs in web development environments.
- Exam Breakdown
- Domain Breakdown
- Access Breakdown
Exam Format
- Exam Code: JS-Dev-101
- Certification Level: Developer Level Certification
- Exam Duration: 105 minutes
- Passing Score: 65%
- Unscored Content: The exam may include up to 5 unscored questions used for research purposes. These questions are not identified during the exam and do not affect your final score.
Exam Details
- Question Types: Multiple choice, multiple select
- Number of Questions: 60 scored questions + up to 5 unscored questions
- Hands-On Questions: No hands-on labs. This exam focuses on conceptual and scenario-based questions related to JavaScript development.
Exam Policies
- Offline Proctoring: Must be rescheduled or canceled at least 24 hours before the scheduled exam time.
- Online Proctoring: Must be rescheduled or canceled at least 24 hours before the scheduled exam time.
- Waiting Period: Candidates must wait 24 hours before attempting a retake after a failed exam attempt.
- Retake Fee: $100 USD plus applicable taxes for each retake.
Certification Validity and Renewal
- Validity: Salesforce certifications do not expire, but maintenance updates are required.
- Renewal Options: Complete Salesforce release maintenance modules through Trailhead to remain aligned with platform updates.
Exam Fee
- Base Fee: $200 USD (excluding taxes)
- Taxes: Country-specific GST/VAT may apply
- Example: In India, 18% tax applies, making the total $236 USD ($200 + $36 tax)
Prerequisites
There are no formal prerequisites for taking the JS-Dev-101 Salesforce Certified JavaScript Developer – Multiple Choice exam. However, Salesforce recommends:- Strong understanding of JavaScript programming fundamentals
- Experience with ES6+ features and modern JavaScript syntax
- Familiarity with asynchronous programming concepts
- Basic understanding of web development and browser APIs
Exam Topics
- JavaScript data types, variables, and collections
- Functions, objects, prototypes, and classes
- DOM manipulation and browser event handling
- Error handling and debugging techniques
- Promises, async/await, and asynchronous programming
- Node.js fundamentals and server-side JavaScript concepts
For a detailed breakdown and official study guide, feel free to contact us!
Intended Audience
The Salesforce Certified JavaScript Developer I certification is ideal for developers who work with JavaScript in modern web applications, including roles such as:- JavaScript Developer
- Front-End Developer
- Salesforce Lightning Web Components Developer
- Web Application Developer
- Software Engineer
Career Impact
- Jobs You Can Get: JavaScript Developer, Front-End Developer, Salesforce Developer, Web Application Developer, Software Engineer
- Average Salary:
U.S.: $90,000–$130,000 USD
India: ₹6,00,000–₹18,00,000 INR
United Kingdom: £45,000–£80,000 GBP
UAE: 160,000–300,000 AED per year. - Why It’s Valuable: JavaScript remains one of the most widely used programming languages for web development. This certification validates modern JavaScript skills required for building scalable applications and Salesforce Lightning components.
Exam Mode
The exam is proctored and can be taken either:- In-person at authorized Pearson VUE test centres
- Online through Pearson VUE’s online proctoring system
Exam Booking Link
Book your Salesforce Certified JavaScript Developer – Multiple Choice Exam via Webassessor — Click here https://www.webassessor.com/salesforce
Once you pass the exam
- Download your Salesforce certification from your Trailblazer profile
- Processing Time: Certification badge and certificate usually appear within a few hours after passing the exam
- Log in to your Trailblazer account
- Navigate to the Credentials / Certifications section
- Download your certificate and certification badge
Offers
Prepare with actual exam questions
To strengthen your knowledge and approach exam day with confidence. We provide practice questions to help you understand the exam format and question patterns.
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Top Reasons to Choose
Salesforce Certified JavaScript Developer
Strong Foundation in Modern JavaScript Development
JavaScript powers most modern web applications. This certification validates your ability to work with modern JavaScript features, asynchronous programming, and browser APIs used in enterprise web development.
Essential Skill for Salesforce Lightning Development
Salesforce Lightning Web Components rely heavily on modern JavaScript. Certified developers gain the knowledge needed to build dynamic and scalable Lightning components within Salesforce applications.
High Demand for JavaScript Developers
JavaScript developers are among the most in-demand professionals in the software industry. This certification helps validate your programming skills and improves career opportunities in web development and Salesforce development roles.
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FAQ
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Who should take the Salesforce Certified JavaScript Developer – Multiple Choice (JS-Dev-101) exam?
The JS-Dev-101 exam is designed for developers who work with JavaScript in web applications or Salesforce Lightning Web Components. It is ideal for professionals who want to validate their knowledge of JavaScript fundamentals, asynchronous programming, and browser APIs used in modern application development.
-
How difficult is the Salesforce Certified JavaScript Developer exam?
The Salesforce Certified JavaScript Developer exam is considered moderately challenging because it tests both conceptual knowledge and practical programming concepts. Candidates with hands-on experience writing JavaScript code, working with asynchronous programming, and debugging applications typically find the exam manageable with proper preparation.
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Why does Salesforce offer the JavaScript Developer certification?
Salesforce offers this certification to validate developers who understand modern JavaScript concepts required for building applications and Lightning Web Components. It ensures certified professionals have the programming knowledge necessary to develop scalable and efficient web applications.
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What tools and resources can be used to prepare for the JS-Dev-101 exam?
Candidates can prepare using Salesforce Trailhead modules, official Salesforce JavaScript Developer certification resources, and hands-on JavaScript coding practice. Studying ES6+ features, asynchronous programming, browser APIs, and debugging techniques is recommended to build the required development expertise.
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Is the Salesforce Certified JavaScript Developer certification valuable in 2026?
Yes, the Salesforce Certified JavaScript Developer certification remains highly valuable in 2026. JavaScript continues to dominate web development, and Salesforce Lightning development relies heavily on it. Certified professionals gain strong career opportunities in web development, Salesforce development, and modern application engineering.
