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 17, 2026
  • Q&As: 149 Questions and Answers

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About Salesforce JavaScript-Developer-I日本語 Real Exam

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JavaScript-Developer-I日本語 exam dumps

Topics of Salesforce JavaScript Developer I Exam

Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts Salesforce JavaScript-Developer-I exam will include the following topics:

1. Variable, Types, and Collection: 23%

Scenario based coding Variables Creation and Initialization JSON object understanding

2. Object, Functions, and Classes: 25%

Implementation of different functions Understanding of different modules of Javascript Scope of variables and their execution flow

3. Browser and Events: 17%

Handling and propagation of events Development tools of browsers Understanding of browser specific APIs

4. Asynchronous Programming: 13%

Asynchrounous programming different concepts Monitoring and management of different loops

5. Server Side Javascript: 8%

Implementation of Node.js Understanding of Node.js CLI commands

6. Testing: 7%

Unit Testing effectiveness of different tests

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

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

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

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Salesforce JavaScript Developer I Certification Path

You must get an idea of exactly what this certification is, before investing your valuable time, effort, or money in Salesforce. The demand and the need for Salesforce certified professionals are rapidly growing and so Salesforce JavaScript Developer I Certification is becoming more and more popular. Different types of online training sessions are provided such as Intellipaat 's online training sessions for the Salesforce JavaScript Developer I Qualification . It is instructor-led teaching by subject professionals working in major organizations. This style of training includes live sessions with the teacher, along with a forum where you can clear all your course-based doubts.

Self-paced sessions are also offered. This training mode involves pre-recorded video sessions. You can conveniently return to these talks and revisit the subjects you have skipped whether you have any difficulties with the lectures or have difficulty keeping up with the online meetings. You will also use these sessions to finish your exercise at your speed while you access these online lessons throughout your life.

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

SectionWeightObjectives
Browsers and Events17%- Script loading and execution order
- Document Object Model (DOM) manipulation
- Browser APIs and Web Storage
- Event handling, propagation, and delegation
- Window and document object properties
Objects, Functions, and Classes25%- Decorators and advanced function patterns
- Object creation, properties, and methods
- Class syntax, inheritance, and prototypes
- Function definitions, parameters, and scope
- Modules and imports/exports
- Closures and execution context
Asynchronous Programming13%- Fetch API and HTTP requests
- Async/await syntax
- Promises and chaining
- Callbacks and callback hell
- Event loop and micro/macro tasks
Variables, Types, and Collections23%- Variable declaration and initialization
- Truthy and falsy values
- Type coercion and conversion rules
- Working with strings, numbers, dates, and booleans
- JSON parsing and usage
- Array methods and data manipulation
Server-Side JavaScript8%- Node.js fundamentals and runtime
- Module system and require/import
- Command-line tools and scripts
- Core Node.js modules
Testing7%- Test doubles and mocks
- Code coverage and best practices
- Testing frameworks and assertions
- Unit testing concepts
Debugging and Error Handling7%- Debugging tools and breakpoints
- Console methods and logging
- Error types and exception handling
- Defensive programming practices

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