JavaScript-Developer-I日本語 exam dumps

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  • Exam Code: JavaScript-Developer-I日本語
  • Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)
  • No. of Questions: 149 Questions and Answers
  • Updated: Aug 07, 2026

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Salesforce JavaScript-Developer-I (Salesforce Certified JavaScript Developer I) Exam is a certification exam offered by Salesforce for developers who specialize in working with JavaScript on the Salesforce platform. JavaScript-Developer-I-JPN exam is designed to test the knowledge and skills of developers on a range of topics related to JavaScript development, including programming fundamentals, data modeling, user interface development, and more. Passing the exam is a great way for developers to demonstrate their expertise in JavaScript development on the Salesforce platform, and can help them advance their careers in this field.

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

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Salesforce JavaScript-Developer-I exam is a multiple-choice exam that consists of 60 questions. The time limit for the exam is 105 minutes, and candidates must score at least 68% to pass. JavaScript-Developer-I-JPN exam is available in English, Japanese, and Spanish, and it is proctored online.

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

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

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