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Salesforce Certified JavaScript Developer I

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Salesforce Certified JavaScript Developer I is an official Salesforce certification covering building and shipping working software. Being a working-practitioner credential that assumes you already handle day-to-day tasks, it is aimed at people whose week already involves writing and debugging code, API and integration work and testing and deployment. WebAsha Technologies prepares you with live instructor-led sessions and coding and integration exercises, following the objective list Salesforce publishes for this exam.

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 3,795 reviews
Salesforce Certified JavaScript Developer I

Salesforce Certified JavaScript Developer I training and certification exam preparation centre

Salesforce issues Salesforce Certified JavaScript Developer I to validate building and shipping working software. Salesforce certifies working knowledge of its own platform and tooling, tested against the behaviour of the shipping product.

This is a working-practitioner credential: it assumes you already do the job and can be trusted with day-to-day tasks. Most candidates take it because a current or target employer treats it as evidence for building and shipping working software.

You are taught live, then put through coding and integration exercises mapped to the objectives Salesforce publishes. Preparation assumes some hands-on exposure and concentrates on closing the gaps that cost marks.

The listed fee is USD 400; booked through WebAsha it is USD 249, a 10% saving. Salesforce sets the fee and it varies by region, so we confirm the current amount before you pay.

Exam length, question count, passing score and validity are set by Salesforce and change between revisions, so confirm the current details on the official exam page before booking. Our advisors verify them with you when the voucher is issued.

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)
Mock Test5
Last Updated: Oct 5, 2026Offer Price: $249$400

This week's results for Salesforce Certified JavaScript Developer I

684+Customers PassedCleared the exam this week
92%Average ScoreScored in the real exam at the testing centre
90%+Similar QuestionsMatched word for word in our 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.”

The right depth for Salesforce Certified JavaScript…

Practical software delivery, not theory

Salesforce Certified JavaScript Developer I is a working-practitioner credential that assumes you already handle day-to-day tasks. We work from what you already do daily and close the rest. If a lower-level certification is the better starting point, our advisors say so before you spend anything.

Salesforce Certified JavaScript… and your next role

Built for Salesforce Certified JavaScript… and the job

Salesforce Certified JavaScript Developer I appears on adverts for Software Developer, Application Engineer, Integration Developer. The credential is shorthand for being trusted with writing and debugging code, API and integration work and testing and deployment.

Hands-on software delivery labs for Salesforce Certified JavaScript…

Software delivery practice you keep

Salesforce Certified JavaScript Developer I is prepared for through coding and integration exercises. The lab stays open outside class, because an untested edge case reaches production and repetition is what fixes that.

Every Salesforce objective covered for Salesforce Certified JavaScript…

For practitioner-level candidates

Our Salesforce Certified JavaScript Developer I syllabus tracks the objective list Salesforce publishes, in order. Nothing official is left for exam day and nothing is padded with material the exam never touches.

Genuine Salesforce voucher for Salesforce Certified JavaScript…

Practical software delivery, not theory

Genuine Salesforce vouchers for Salesforce Certified JavaScript Developer I, with help redeeming and booking once your writing and debugging code, API and integration work and testing and deployment practice holds up. Anything claiming to be real exam questions breaches Salesforce policy, and we do not touch it.

FAQs

Salesforce Certified JavaScript Developer I FAQs

Salesforce Certified JavaScript Developer I is an official Salesforce certification covering building and shipping working software. Treat it as a working-practitioner credential that assumes you already handle day-to-day tasks.

It is aimed at people doing building and shipping working software, or moving into it deliberately. You will see it on adverts for Software Developer, Application Engineer, Integration Developer and Backend Engineer. Prior exposure helps, and class time goes on the parts people usually get wrong.

The exam is built around building and shipping working software, which concretely means writing and debugging code, API and integration work and testing and deployment. Salesforce publishes the full objective list and our syllabus follows it point by point.

Published pricing is USD 400, or USD 249 with WebAsha's 10% discounted voucher. Because Salesforce prices regionally, we verify the exact amount for you at booking.

Salesforce lists this certification by name rather than a short code. Use the full title Salesforce Certified JavaScript Developer I when booking so you are registered against the right certification.

Format and scoring belong to Salesforce and are not fixed forever. The official exam page is the only reliable source for today's values, and we confirm them with you when your voucher is issued.

Formal entry requirements are Salesforce's to set and are published on the exam page. Realistically, being able to handle writing and debugging code, API and integration work and testing and deployment unsupervised matters more than any listed prerequisite.

It depends how much of building and shipping working software you already do. We would rather read your mock scores than guess a week count.

You are taught live rather than handed recordings, and the lab is yours around the clock. That matters here because coding and integration exercises cannot be absorbed by watching alone.

Yes. You get coding and integration exercises and exam-style questions built off the objective list. The per-objective breakdown tells you where to spend the next session.

Retake rules, waiting periods and any free-retake entitlement are set by Salesforce and differ between certifications. Confirm it officially first; we then rebuild your plan around what the breakdown shows.

Expiry and renewal terms belong to Salesforce and have changed before. Confirm the current terms on the official certification page. We flag the renewal path at booking so it does not surprise you years later.

Delivery options (remote proctored, a testing centre, or on-site after training) are decided by Salesforce. We confirm which options are open to you in your country when the voucher is issued.

Yes. The vouchers are official Salesforce stock and we assist with redemption. We do not sell leaked or real exam questions. That breaches Salesforce's certification policy and puts your credential at risk.

The usual destinations are Software Developer, Application Engineer, Integration Developer and Backend Engineer. A certificate alone does not land a role, but in software delivery hiring it is shorthand for writing and debugging code, API and integration work and testing and deployment unsupervised.

In this area the cost of getting it wrong is concrete: an untested edge case reaches production. Preparation for Salesforce Certified JavaScript Developer I is built around building and shipping working software, so the practice stays useful after the certificate arrives.

Yes. Teams preparing for Salesforce Certified JavaScript Developer I train together on a schedule that fits delivery commitments, with a software delivery lab per participant and Salesforce vouchers issued in bulk. Ask about cohort size, timelines and invoicing.

Speak to our advisors: we check the live Salesforce details, issue the voucher and schedule the sitting. We book once your practice results say you are ready, not before.

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