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Salesforce Certified JavaScript Developer I

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Pass the Salesforce Certified JavaScript Developer I (JavaScript Developer I) exam in your first attempt with WebAsha Technologies. Exam-focused preparation with hundreds of real exam-like practice questions, full-length mock tests, a verified study guide, hands-on labs and a discounted exam voucher.

Exam Code:JavaScript Developer I
Duration:105 Minutes
Level:Developer
Validity:Maintained free via Trailhead release exams (no expiry with maintenance)
Delivery:Online Proctored or Test Center (Kryterion / Pearson VUE)

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ReviewsOverall rating: 4.9 based on 2,416 reviews
Salesforce Certified JavaScript Developer I

Salesforce Certified JavaScript Developer I Training & Certification Exam Preparation Centre

Prepare to pass the Salesforce Certified JavaScript Developer I (JavaScript Developer I) exam in your first attempt with WebAsha Technologies. This developer-level certification validates real, in-demand skills and is a respected credential that advances your career.

Please note: This credential requires passing the multiple-choice exam AND completing the free Lightning Web Components Specialist superbadge.

Salesforce's front-end certification validating core JavaScript skills - the language, browser, async and testing - plus a required LWC superbadge. Our JavaScript Developer I exam-preparation program is built around the real, current exam. You get hundreds of real exam-like practice questions, updated mock tests, a verified study guide, hands-on labs and expert mentoring covering every exam domain:

  • Variables, Types and Collections (23%)
  • Objects, Functions and Classes (25%)
  • Browser and Events (17%)
  • Debugging and Error Handling (7%)
  • Asynchronous Programming (13%)
  • Server-Side JavaScript (8%)
  • Testing (7%)

With realistic full-length mock tests, detailed explanations, flexible online and classroom batches and a discounted exam voucher, WebAsha helps you build genuine confidence and clear the JavaScript Developer I exam.

Proven Results

Our Recently JavaScript Developer I-Certified Candidates

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Real Exam Format and Information

Exam CodeJavaScript Developer I
Exam NameSalesforce Certified JavaScript Developer I
LevelDeveloper
FormatMultiple-choice / multiple-select questions
Questions60 scored questions (+ up to 5 unscored)
Duration105 Minutes
Passing Score65%
Cost$200 USD ($100 retake)
DeliveryOnline Proctored or Test Center (Kryterion / Pearson VUE)
ValidityMaintained free via Trailhead release exams (no expiry with maintenance)
Recommended ExperienceNone required; hands-on Salesforce experience strongly recommended
Score to Pass

Salesforce Certified JavaScript Developer I (JavaScript Developer I) Passing Criteria

65%To Pass

The Salesforce Certified JavaScript Developer I (JavaScript Developer I) exam is a multiple choice & multiple select exam of 60 scored questions (+ up to 5 unscored), completed in 105 Minutes. You need a scaled passing score of 65% to pass (the exam costs $200 USD ($100 retake)). The exam is delivered Online Proctored or Test Center (Kryterion / Pearson VUE).

The certification is valid for Maintained free via Trailhead release exams (no expiry with maintenance). Maintain by completing the free Trailhead release/maintenance modules. Recommended background: None required; hands-on Salesforce experience strongly recommended. WebAsha's full-length mock tests and real exam-like practice questions mirror the real exam so you walk in ready to pass.

  • Practise with full-length, exam-like mock tests under timed conditions.
  • Master every exam domain - focus your revision on the higher-weighted domains.
  • Read each question carefully; watch for multiple-response questions that need more than one answer.
  • Use hands-on labs to reinforce the services and concepts the exam covers.
  • Review detailed answer explanations to close your knowledge gaps before exam day.
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JavaScript Developer I Exam Bootcamp

Exam NameSalesforce Certified JavaScript Developer I
Exam CodeJavaScript Developer I
LevelDeveloper
FormatMultiple Choice & Multiple Select
Questions60 scored questions (+ up to 5 unscored)
Duration105 Minutes
Passing Score65%
Cost$200 USD ($100 retake)
ValidityMaintained free via Trailhead release exams (no expiry with maintenance)
Last Updated: Jul 4, 2026Offer Price: $249$400

This Week Result of Salesforce Certified JavaScript Developer I

684+Customers PassedThey sail through easy
92%Average ScoreGain in Real Exam at Testing Center
90%+Similar QuestionsQuestions same word by word from Exam Preparation

Salesforce Certified JavaScript Developer I Recent Reviews

RRahul SharmaSalesforce Administrator
WebAsha's JavaScript Developer I practice questions were incredibly close to the real exam. The mock tests built my confidence and I passed in my first attempt.
PPriya NairSalesforce Developer
The JavaScript Developer I mock tests and domain-wise revision were spot on. The detailed explanations helped me close my gaps and clear the exam comfortably.
AAmit DeshmukhSalesforce Consultant
Best JavaScript Developer I exam preparation. Full-length mock tests, updated question bank and a discounted voucher - I passed on my first try.
SSneha KulkarniSolution Architect
As a working professional, the study guide and hands-on labs made the JavaScript Developer I exam approachable. Cleared it with a strong score.
IImran ShaikhPlatform Developer
Very practical, exam-focused JavaScript Developer I preparation covering every domain. The realistic mock tests were the difference-maker.
DDivya RaoCRM Analyst
The JavaScript Developer I practice tests matched the real exam's style and difficulty. WebAsha's guidance helped me manage time and pass first attempt.
FAQs

Salesforce Certified JavaScript Developer I FAQs

The Salesforce Certified JavaScript Developer I (JavaScript Developer I) is a multiple choice & multiple select exam of 60 scored questions (+ up to 5 unscored), completed in 105 Minutes.

You need a scaled passing score of 65%. The exam uses a scaled scoring model, so focus on mastering every exam domain rather than a fixed number of correct answers.

The exam costs $200 USD ($100 retake), and the certification is valid for Maintained free via Trailhead release exams (no expiry with maintenance). Maintain by completing the free Trailhead release/maintenance modules.

There is no strict prerequisite. Recommended background: None required; hands-on Salesforce experience strongly recommended.

Yes. The exam is delivered Online Proctored or Test Center (Kryterion / Pearson VUE), so you can take it online from home or at a test centre.

Yes. WebAsha's JavaScript Developer I program includes real exam-like practice questions, full-length mock tests, a verified study guide and hands-on labs, along with a discounted exam voucher. Contact us for current voucher pricing.

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