Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)
Certification Provider: Salesforce
Corresponding Certification: Salesforce Developer
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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.
Item Model Document
Classes
JavaScript on the backend
Scope of Variables
Asynchronous Programming
Monitor (agnostic platform)
Modules
Control of Mistake
Forms of data and operators
Discharge
Strings
Conversion type (inclusive versus explicit)
Functions (more functions in higher order)
Objects & Arrays: Data Structures
Activities
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.
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:
- Salesforce developer
- Technical Product Manager
- Software/backend developer
- Web application developer
- JavaScript programmer
- Full stack developer
- UI/UX Engineer
- Support engineer
- Front end developer
- Technical Project Manager
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Testing | 7% | - Test coverage and reliability - Unit testing concepts - Test effectiveness evaluation - Writing and modifying unit tests |
| Topic 2: Server Side JavaScript | 8% | - Core Node.js modules - Node.js fundamentals - Server-side JavaScript implementations - Package management (npm) - CLI commands |
| Topic 3: Asynchronous Programming | 13% | - Asynchronous patterns for business requirements - Async/Await syntax - Promises (creation, chaining, error handling) - Callbacks - Event loop and execution flow |
| Topic 4: Debugging and Error Handling | 7% | - Console methods for debugging - Breakpoints and code inspection - Error handling techniques (try/catch/finally) - Custom error types |
| Topic 5: Browser and Events | 17% | - Browser Developer Tools usage - Interacting with forms and user input - Event handling and listeners - Event propagation (bubbling and capturing) - DOM manipulation - Browser-specific APIs |
| Topic 6: Objects, Functions, and Classes | 25% | - Object creation and manipulation - Higher-order functions - Execution flow and context - Prototypal inheritance - Variable scope and closures - Arrow functions - Function declarations and expressions - ES6 classes and inheritance - Modules and decorators |
| Topic 7: Variables, Types, and Collections | 23% | - Truthy and falsy evaluations - JSON parsing and manipulation - Arrays and collections - Primitive and complex data types - Variable declarations and initialization - Strings, numbers, and dates - Type coercion and conversion |
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