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

  • Exam Code: JavaScript-Developer-I日本語
  • Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)
  • Updated: Aug 15, 2026     Q & A: 149 Questions and Answers

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The price of the Salesforce JavaScript Developer I certification is $200 USD, for more information related to the Salesforce JavaScript-Developer-I Exam please visit Salesforce website.

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

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

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

SectionObjectives
Topic 1: Browser and DOM Interaction- DOM manipulation and traversal
- Browser APIs (fetch, storage, timers)
- Event handling and propagation
Topic 2: JavaScript Language Fundamentals- Functions, scope, and closures
- Data types, variables, and operators
- ES6+ syntax and features
Topic 3: Salesforce Platform Integration- Calling Apex methods from JavaScript
- Security considerations in Salesforce JavaScript
- Lightning Web Components (LWC) JavaScript usage
Topic 4: Testing and Debugging- Debugging techniques and tools
- Unit testing principles
Topic 5: Asynchronous JavaScript- Promises and async/await
- Event loop and concurrency model
- Error handling in async workflows

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