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Salesforce Certified JavaScript Developer (JS-Dev-101) (JavaScript-Developer-I) - VCE Practice Test

The JavaScript-Developer-I exam is Salesforce's certification exam for Salesforce Developer. Examcollection's practice test for JavaScript-Developer-I includes 147 questions, built to help you prepare for the official Salesforce exam. For exact details on exam duration, question format, and current pricing, always confirm directly on Salesforce's official JavaScript-Developer-I exam page — those specifics are set by Salesforce and can change without notice, so this guide won't guess at them.

√ Verified Aug 24, 2026 Salesforce • Salesforce Developer 100% Money-Back Guarantee
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PDF (Printable Format)

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$25.5 $84.99
  • 147 Questions With Step-by-Step Explanation
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Interactive Testing Engine

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  • 147 Questions With Step-by-Step Explanation
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About the JavaScript-Developer-I Exam

Salesforce Certified JavaScript Developer (JS-Dev-101) — exam code JavaScript-Developer-I — is Salesforce's exam for candidates pursuing Salesforce Developer. Certification exams like this one exist to validate that a candidate can be trusted with the skills the credential represents, whether that's for an employer's hiring bar, a client's confidence in a contractor, or a candidate's own benchmark of readiness. Salesforce Developer sits within Salesforce's certification catalog as a recognized credential, and passing JavaScript-Developer-I is how it's earned.

If you're deciding whether JavaScript-Developer-I is the right exam to pursue, Salesforce's own certification overview page is the authoritative source for prerequisites, renewal requirements, and how Salesforce Developer fits into their broader certification path — details that are genuinely Salesforce's to set and can shift between exam versions. What doesn't shift is the underlying skill area Salesforce Developer is meant to represent, which is the part a JavaScript-Developer-I VCE practice test can actually help you build confidence in regardless of which exact exam version you end up sitting. ExamCollection provides updated JavaScript-Developer-I VCE files and exam dumps aligned with the current Salesforce syllabus contents to support your certification exam preparation.

What to Expect on Exam Day

Most vendor certification exams, JavaScript-Developer-I included, are delivered as proctored, computer-based tests — either at a physical testing center or through online remote proctoring, depending on what Salesforce offers for this exam. Expect a timed session with a mix of question types; many vendors use multiple-choice and multiple-response items as a baseline, with some exams adding scenario-based or hands-on components depending on the certification level.

Before you register, confirm three things directly on Salesforce's official JavaScript-Developer-I exam page: the exact time limit, the current registration fee, and whether a passing score is published or scored on a scaled range. These details vary by vendor and by exam, and they're the kind of thing that changes on a vendor's schedule, not ours — this page is kept accurate about what it does state, which is exactly why it doesn't guess at what it doesn't have confirmed.

Why Prepare for the JavaScript-Developer-I Exam with Examcollection

A vendor's exam page tells you that you need to pass JavaScript-Developer-I; it doesn't give you a way to check whether you actually would. That's the gap a practice test closes. Examcollection's JavaScript-Developer-I practice test includes 147 questions built around the skills Salesforce Developer is meant to validate, each with an explanation — not just a correct answer — so a wrong response teaches you something instead of just being marked incorrect.

ITE

Interactive Testing Engine

Downloadable, web-based, reproduces the real exam interface — timed sessions so exam day isn't the first time you've seen that format.

PDF

PDF Version

Same JavaScript-Developer-I questions for offline review, printing, or studying on any device without launching the engine.

How to Prepare for the JavaScript-Developer-I Exam

Start by reading Salesforce's official exam page and any published exam guide for JavaScript-Developer-I in full before you touch a single practice question — you can't efficiently practice-test material you haven't been introduced to yet. Once you've covered the material once, use practice questions to find out what actually stuck versus what you only recognized while reading.

Treat a wrong answer as information, not a failure — the value of a 147-question bank isn't the score you get on any single pass, it's the pattern across several passes. If you miss questions on the same topic more than once, that's a real gap worth returning to the source material for. In the final days before your scheduled exam, shift from open-ended review to timed practice using the Interactive Testing Engine, so answering under time pressure isn't unfamiliar on exam day itself.

Salesforce JavaScript-Developer-I Frequently Asked Questions

How many questions are in the Examcollection JavaScript-Developer-I practice test?

147 questions, each with an explanation, built around the skills Salesforce Developer is designed to validate.

What certification does JavaScript-Developer-I lead to?

Salesforce Developer, issued by Salesforce.

Where can I find the official exam duration, format, and cost?

Directly on Salesforce's official JavaScript-Developer-I exam page — those details are set by Salesforce and are the most reliable source since they can change between exam versions.

Is the JavaScript-Developer-I practice test kept up to date?

Yes — content is reviewed periodically and this page shows a "last verified" date and reviewer name so you can see when it was last checked, not just take that on faith.

What formats does Examcollection offer for JavaScript-Developer-I?

A downloadable, web-based Interactive Testing Engine for timed simulation, and a PDF for offline, self-paced review — both built from the same question bank.

Do you offer a refund if I don't pass?

Yes — full terms are on our Guarantee page, including what's covered and how to submit a claim.

Why doesn't this page list the exam duration or passing score?

Because Salesforce sets those figures and can change them between exam versions — publishing a number here that later goes stale is worse than pointing you to the source that's actually authoritative.

What is the format of Salesforce JavaScript-Developer-I Exam?

The Salesforce JavaScript-Developer-I exam is a computer-based test consisting of 60 multiple-choice/multiple-select questions. You'll have 105 minutes to complete the exam.

Is Salesforce Developer JavaScript-Developer-I good for career?

Yes! Becoming a Salesforce Developer with the JavaScript-Developer-I certification opens up opportunities to work on Salesforce technologies, build custom business apps, and solve complex problems for customers.

What is the passing score for Salesforce JavaScript-Developer-I Exam?

The passing score for the JavaScript-Developer-I exam is 65%.

How do I become Salesforce Developer JavaScript-Developer-I Certified?

To become Salesforce Certified JavaScript Developer I, you'll need to:

  • Meet the prerequisites: While there are no formal prerequisites, a strong understanding of JavaScript fundamentals and some exposure to Salesforce development concepts are highly recommended.
  • Register for the exam: You can register for the exam through Salesforce or a Pearson VUE testing center.
  • Prepare for the exam: Utilize Salesforce resources like Trailhead modules, practice exams, and study guides to thoroughly prepare for the exam topics.
     
  • Take the exam: Locate a testing center or schedule an online proctored exam at your convenience.

Which Certification is better between Salesforce Developer or Salesforce Designers?

The best certification for you depends on your career goals.

  • Salesforce Developer: The Salesforce Developer Certification is Ideal for those who want to focus on building custom applications and functionalities within the Salesforce platform.

What sets Examcollection's JavaScript-Developer-I practice test apart from others?

Examcollection’s JavaScript-Developer-I practice tests are designed to help you prepare effectively for the certification. They cover key topics, provide realistic scenarios, and offer detailed explanations. Plus, they’re based on real-world experience and best practices.

Can users access a free demo of the Examcollection JavaScript-Developer-I VCE dumps?

Yes, Examcollection offers a free demo of the JavaScript-Developer-I VCE dumps. This allows users to explore the format and quality of the JavaScript-Developer-I study material before making a purchase. The free demo provides a glimpse into the comprehensive coverage and the user-friendly interface of Examcollection's materials, helping users make informed decisions.

What kind of customer support does Examcollection offer for those preparing for the JavaScript-Developer-I Exam?

Examcollection provides robust customer support to assist users preparing for the JavaScript-Developer-I exam. Support includes access to a dedicated support team that can answer questions about study materials, technical assistance for using the JavaScript-Developer-I testing engine, and guidance on the certification process. Support is available via email or through the website's support portal, ensuring users get the help they need to succeed.

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