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Updated: Jun 03, 2026

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Salesforce JavaScript-Developer-I日本語 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
  • 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 3
  • Variables, Types, and Collections: The topic will test how effectively JavaScript programmers can handle variable creation, initialization, type coercion, and data manipulation. You will need to demonstrate knowledge of strings, numbers, dates, arrays, and JSON handling. The Javascript Developer I exam will require a deep understanding of these concepts and their proper application in real-world scenarios.

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

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

How much Salesforce JavaScript-Developer-I Exam Cost

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.

How to Study the Salesforce JavaScript-Developer-I Exam

The best study material one can get is the JavaScript-Developer-I practice exam dumps. To ensure good grades, do attempt the JavaScript-Developer-I practice exams. The JavaScript Developer I from Salesforce typically has 1-2 years of experience as a JavaScript developer with the following JavaScript topics.

  • Functions (more functions in higher order)

  • Conversion type (inclusive versus explicit)

  • Activities

  • Objects & Arrays: Data Structures

  • Classes

  • Control of Mistake

  • Modules

  • Asynchronous Programming

  • Monitor (agnostic platform)

  • Scope of Variables

  • Discharge

  • Forms of data and operators

  • Item Model Document

  • Strings

  • JavaScript on the backend

To prepare for this test, we advise a combination of practical experience, completion of training courses, pathways and self-study in the areas listed in the examination outline section of this examination guide.

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