Try and practice the latest Salesforce : JavaScript-Developer-I real questions & answers
Updated: Aug 18, 2026
No. of Questions: 149 Questions & Answers with Testing Engine
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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam
- There is a time limit of 105 minutes for the exam.
- The type of questions is Multiple Choice and situation-based questions.
- This exam is offered in only English.
- Passing score 65%
- This exam consists of 60 questions
For more info read reference:
Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources
Salesforce JavaScript-Developer-I Exam Overview:
| Certification Vendor: | Salesforce |
| Exam Name: | Salesforce Certified JavaScript Developer I Exam |
| Exam Number: | JS-Dev-101 / JavaScript-Developer-I |
| Available Languages: | English, Japanese |
| Certificate Validity Period: | No expiration; requires regular maintenance via Trailhead modules |
| Exam Duration: | 105 minutes |
| Exam Price: | USD 200 (+ applicable taxes) |
| Related Certifications: | Salesforce Certified Platform Developer I Salesforce Certified Lightning Web Components Specialist |
| Passing Score: | 65% |
| Exam Format: | Multiple-choice, Multiple-select |
| Real Exam Qty: | 60 scored + up to 5 unscored |
| Recommended Training: | Salesforce JavaScript Developer I Certification Prep |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: | Salesforce JavaScript-Developer-I Sample Questions |
| Exam Way: | Online proctored or onsite at authorized testing centers |
| Pre Condition: | No formal prerequisites; 1–2 years of JavaScript development experience recommended |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/javascript-developer-i |
Benefits in Obtaining Salesforce JavaScript-Developer-I Certification
With the introduction of the Lightning Experience by Salesforce, it is possible to develop cool, looking applications for a wide range of tasks. Admins have been able to create beautiful pages for their objects more than ever, with an interface entirely tailored for each user.For developers, the same application has never before been possible for Salesforce developers to create applications that stretch well beyond Salesforce's declarative features. It's all achieved with the use of a JavaScript application for Lightning & Lightning Web components.
The certification for JavaScript Developer I has just been released and fills a large gap in the certification list for Salesforce. Salesforce Developers who want to prove their Lightning skills, but also new entrants into the Salesforce community, are certified to demonstrate that they know what is relevant. A typical Salesforce 60 multi-choice test is split into two parts and is influenced by a super badge (Similar to Developer II certification).
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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