Salesforce JavaScript-Developer-I : Salesforce Certified JavaScript Developer I Exam

  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer I Exam
  • Updated: Sep 01, 2025
  • Q & A: 224 Questions and Answers

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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).

How to Study the Salesforce JavaScript-Developer-I Exam

The best study material one can get is the JavaScript-Developer-I practice exam dumps. To ensure good grades, do attempt the JavaScript-Developer-I practice exams. The JavaScript Developer I from Salesforce typically has 1-2 years of experience as a JavaScript developer with the following JavaScript topics.

  • Functions (more functions in higher order)

  • Scope of Variables

  • Activities

  • Objects & Arrays: Data Structures

  • Discharge

  • Classes

  • Strings

  • Monitor (agnostic platform)

  • Conversion type (inclusive versus explicit)

  • Asynchronous Programming

  • Forms of data and operators

  • Control of Mistake

  • Item Model Document

  • Modules

  • JavaScript on the backend

To prepare for this test, we advise a combination of practical experience, completion of training courses, pathways and self-study in the areas listed in the examination outline section of this examination guide.

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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam
  • The type of questions is Multiple Choice and situation-based questions.
  • This exam consists of 60 questions
  • There is a time limit of 105 minutes for the exam.
  • This exam is offered in only English.
  • Passing score 65%

Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101

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