To pass the JS-Dev-101 exam you need 65%, and the official registration fee is $200 USD. Since a failed attempt is not discounted — retaking means paying $200 USD in full again — treat the booking as the last step, not the first. Work through the Actual4Labs practice questions until your timed scores sit comfortably above 65%, and only then lock in your exam date.

The JS-Dev-101 (Salesforce Certified JavaScript Developer - Multiple Choice) is the official Salesforce examination that awards the Salesforce Certified JavaScript Developer I certification to candidates who pass it. Within the Salesforce program it is classed as a Professional credential. It sits alongside related certifications such as Salesforce Platform Developer I, Salesforce Platform Developer II. Because the credential comes straight from the vendor, employers treat it as verified proof of skill — and the 149 practice questions at Actual4Labs follow the same published blueprint.

Registration for the JS-Dev-101 exam runs through the official channels below:

• Salesforce Certification Registration
• Kryterion Webassessor (Exam Delivery)

Depending on availability in your region, the JS-Dev-101 exam is taken Online proctored exam via Salesforce authorized testing platform (e.g., Webassessor).

Our money-back guarantee applies if you sit the corresponding JS-Dev-101 exam within 60 days of purchase and do not pass: submit a scan of your enrollment slip plus the official Score Report PDF within 2 days of the exam, and the claim is settled within 7 days. The registration name must match the buyer's name; attempts within 3 days of purchase, downloads never used in a real sitting, free materials, and expired orders fall outside the policy. If you prefer, you can forgo the refund and instead receive two free exam products of equal value while keeping updates on your original purchase. As for delivery, your files arrive by email within one minute of payment — if 2 hours pass without a message, check spam and contact support — and you can install the product on unlimited computers.

The official Salesforce Certified JavaScript Developer - Multiple Choice blueprint breaks the content into 5 domains, starting with these three:

• JavaScript Fundamentals
• Salesforce Platform Integration
• Asynchronous Programming

The full domain-by-domain outline is listed above on this page — use it as your checklist while you work through the Actual4Labs practice questions.

On exam day you will have 105 minutes to complete 60 (multiple choice) questions in the JS-Dev-101 exam. Divide your attention deliberately: answer what you know first, mark anything doubtful, and sweep back through flagged items near the end rather than burning minutes on a single question. The best way to defuse time pressure is exposure — schedule at least one full-length timed session in the Actual4Labs test engine so the pacing feels automatic when it counts.

For structured learning, Salesforce recommends these official courses for JS-Dev-101 candidates:

• Salesforce Trailhead - JavaScript Developer I
• MDN Web Docs - JavaScript Guide

Courses explain the why; the 149 practice questions at Actual4Labs drill the how-fast. Combining the two is the shortest route most candidates find.

Before you register, review the stated prerequisites: No formal prerequisites, but familiarity with JavaScript and web development is recommended.

For the latest wording, always double-check the official exam page: https://trailhead.salesforce.com/credentials/javascriptdeveloper.

Yes — every Actual4Labs product, including the JS-Dev-101 Q&A, has a free PDF demo you can download before spending anything. Your purchase then stays current with 365 days of free updates, and if the update period lapses you can renew it at 50% off from your member zone.