Salesforce JavaScript-Developer-I Exam : Salesforce Certified JavaScript Developer (JS-Dev-101)

  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Updated: Aug 19, 2026
  • Q & A: 149 Questions and Answers

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About Salesforce JavaScript-Developer-I Exam Questions

How to Prepare for Salesforce JavaScript Developer I Exam

Preparation Guide for Salesforce JavaScript Developer I Exam

Introduction

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How to book the Salesforce JavaScript-Developer-I Exam

There are the following steps for registering the Salesforce JavaScript Developer I exam. Step 1: Visit Salesforce Exam Registration Step 2: Signup/Login to Salesforce account Step 4: Select Date, time and confirm with the payment method

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For more info read reference:

Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources

Salesforce JavaScript-Developer-I Exam Syllabus Topics:

TopicDetails
Topic 1
  • Objects, Functions, and Classes: In this section, the focus is on applying object-oriented principles, functions, and classes. As a Salesforce JavaScript programmer, you will need to locate optimal function implementations and understand how to structure objects and classes for business solutions. You will also be tested on your ability to use JavaScript modules and decorators, while analyzing variable scope and execution flow.
Topic 2
  • Asynchronous Programming: Asynchronous programming is a key concept in JavaScript, and this section tests your understanding of event loops, asynchronous code execution, and handling promises. Salesforce JavaScript programmer will need to demonstrate their ability to implement asynchronous solutions for business requirements.
Topic 3
  • Debugging and Error Handling: This section will measure the ability of JavaScript programmer to properly handle errors and debug JavaScript code. You will be expected to apply debugging techniques, such as using the console and breakpoints, to resolve issues. Proper error handling is crucial, and the exam will evaluate your skills in managing and correcting errors efficiently within your code.

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

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