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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam
- The type of questions is Multiple Choice and situation-based questions.
- There is a time limit of 105 minutes for the exam.
- Passing score 65%
- This exam is offered in only English.
- This exam consists of 60 questions
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 |
|---|---|---|
| Browser and Events | 17% | - Browser-specific APIs - Event handling and listeners - Event propagation (bubbling and capturing) - Browser Developer Tools usage - DOM manipulation - Interacting with forms and user input |
| Debugging and Error Handling | 7% | - Console methods for debugging - Breakpoints and code inspection - Error handling techniques (try/catch/finally) - Custom error types |
| Objects, Functions, and Classes | 25% | - Object creation and manipulation - Function declarations and expressions - Higher-order functions - Modules and decorators - Arrow functions - ES6 classes and inheritance - Prototypal inheritance - Variable scope and closures - Execution flow and context |
| Asynchronous Programming | 13% | - Asynchronous patterns for business requirements - Event loop and execution flow - Async/Await syntax - Callbacks - Promises (creation, chaining, error handling) |
| Variables, Types, and Collections | 23% | - Variable declarations and initialization - JSON parsing and manipulation - Strings, numbers, and dates - Arrays and collections - Truthy and falsy evaluations - Type coercion and conversion - Primitive and complex data types |
| Server Side JavaScript | 8% | - Core Node.js modules - Package management (npm) - CLI commands - Server-side JavaScript implementations - Node.js fundamentals |
| Testing | 7% | - Unit testing concepts - Test coverage and reliability - Writing and modifying unit tests - Test effectiveness evaluation |







