Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
Certification Provider: Salesforce
Corresponding Certification: Salesforce Developer
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Testing | 7% | - Test coverage and reliability - Unit testing concepts - Test effectiveness evaluation - Writing and modifying unit tests |
| Debugging and Error Handling | 7% | - Console methods for debugging - Custom error types - Breakpoints and code inspection - Error handling techniques (try/catch/finally) |
| Asynchronous Programming | 13% | - Promises (creation, chaining, error handling) - Async/Await syntax - Callbacks - Asynchronous patterns for business requirements - Event loop and execution flow |
| Variables, Types, and Collections | 23% | - Type coercion and conversion - Strings, numbers, and dates - Primitive and complex data types - Truthy and falsy evaluations - Arrays and collections - Variable declarations and initialization - JSON parsing and manipulation |
| Browser and Events | 17% | - Event propagation (bubbling and capturing) - DOM manipulation - Browser-specific APIs - Interacting with forms and user input - Browser Developer Tools usage - Event handling and listeners |
| Server Side JavaScript | 8% | - Package management (npm) - CLI commands - Server-side JavaScript implementations - Node.js fundamentals - Core Node.js modules |
| Objects, Functions, and Classes | 25% | - Modules and decorators - Execution flow and context - Variable scope and closures - Higher-order functions - Prototypal inheritance - ES6 classes and inheritance - Arrow functions - Object creation and manipulation - Function declarations and expressions |
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