Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) : JavaScript-Developer-I日本語

  • Exam Code: JavaScript-Developer-I-JPN
  • Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)
  • Updated: Aug 01, 2026
  • Q & A: 149 Questions and Answers

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Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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.
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
  • 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 4
  • Testing: In the topic, you will be required to evaluate unit tests and improve them. The exam will assess your ability to identify ineffective tests and modify them to make them more robust and accurate. This topic ensures that you can write and maintain effective tests, a crucial skill for ensuring code quality and reliability in professional environments.
Topic 5
  • Server Side JavaScript: This section focuses on Node.js and server-side JavaScript. Salesforce JavaScript programmers will be tested on their ability to identify appropriate Node.js implementations and commands for given scenarios. Additionally, you will need to recognize which Node.js core modules, libraries, and package management solutions fit specific requirements, reflecting your understanding of server-side development with JavaScript.

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

What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam

  • This exam is offered in only English.
  • There is a time limit of 105 minutes for the exam.
  • The type of questions is Multiple Choice and situation-based questions.
  • This exam consists of 60 questions
  • Passing score 65%

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