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Salesforce JavaScript-Developer-I

JavaScript-Developer-I

Exam Code: JavaScript-Developer-I

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

Updated: Jul 29, 2026

Q & A: 149 Questions and Answers

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About Salesforce JavaScript-Developer-I Exam

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Salesforce JavaScript-Developer-I Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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.
Topic 3
  • Browser and Events: The topic will challenge your ability to work with events, event handlers, and the DOM. You will need to demonstrate how to manage event propagation and utilize browser-specific APIs. Additionally, proficiency in using browser developer tools to investigate code behavior will be tested, making it crucial for you to understand browser interactions thoroughly.

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

Who should take the Salesforce JavaScript-Developer-I Exam

This course is designed for Javascript developers starting on the Salesforce platform who require programming customizations on front-end and back-end. There are no prerequisites for Salesforce JavaScript Developer I Exam. Typical job roles that align to the Salesforce Certified JavaScript Developer I are as follows:

  • Technical Project Manager
  • Full stack developer
  • Technical Product Manager
  • UI/UX Engineer
  • Support engineer
  • Front end developer
  • Salesforce developer
  • JavaScript programmer
  • Web application developer
  • Software/backend developer

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