Prepare with Salesforce JavaScript-Developer-I日本語 exam torrent, pass for sure
Last Updated: Jul 28, 2026
No. of Questions: 149 Questions & Answers with Testing Engine
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How to book the Salesforce JavaScript-Developer-I Exam
There are the following steps for registering the Salesforce JavaScript Developer I exam. Step 1: Visit Salesforce Exam Registration Step 2: Signup/Login to Salesforce account Step 4: Select Date, time and confirm with the payment method
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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.
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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:
- UI/UX Engineer
- Support engineer
- Software/backend developer
- Technical Project Manager
- Front end developer
- Web application developer
- JavaScript programmer
- Salesforce developer
- Full stack developer
- Technical Product Manager
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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.
Activities
Strings
Modules
Forms of data and operators
Scope of Variables
Item Model Document
JavaScript on the backend
Functions (more functions in higher order)
Control of Mistake
Asynchronous Programming
Conversion type (inclusive versus explicit)
Objects & Arrays: Data Structures
Monitor (agnostic platform)
Discharge
Classes
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.
Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Variables, Types, and Collections | 23% | - Variable declaration and initialization - JSON parsing and usage - Type coercion and conversion rules - Truthy and falsy values - Working with strings, numbers, dates, and booleans - Array methods and data manipulation |
| Topic 2: Browsers and Events | 17% | - Document Object Model (DOM) manipulation - Window and document object properties - Script loading and execution order - Browser APIs and Web Storage - Event handling, propagation, and delegation |
| Topic 3: Asynchronous Programming | 13% | - Async/await syntax - Fetch API and HTTP requests - Callbacks and callback hell - Event loop and micro/macro tasks - Promises and chaining |
| Topic 4: Debugging and Error Handling | 7% | - Console methods and logging - Defensive programming practices - Error types and exception handling - Debugging tools and breakpoints |
| Topic 5: Testing | 7% | - Unit testing concepts - Testing frameworks and assertions - Test doubles and mocks - Code coverage and best practices |
| Topic 6: Objects, Functions, and Classes | 25% | - Class syntax, inheritance, and prototypes - Decorators and advanced function patterns - Modules and imports/exports - Object creation, properties, and methods - Closures and execution context - Function definitions, parameters, and scope |
| Topic 7: Server-Side JavaScript | 8% | - Command-line tools and scripts - Node.js fundamentals and runtime - Core Node.js modules - Module system and require/import |
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