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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Variables, Types, and Collections | 23% | - Strings, numbers, and dates - Type coercion and conversion - Arrays and collections - Variable declarations and initialization - Primitive and complex data types - JSON parsing and manipulation - Truthy and falsy evaluations |
| Topic 2: Server Side JavaScript | 8% | - Server-side JavaScript implementations - Package management (npm) - CLI commands - Core Node.js modules - Node.js fundamentals |
| Topic 3: Browser and Events | 17% | - Browser-specific APIs - Event handling and listeners - Event propagation (bubbling and capturing) - Browser Developer Tools usage - Interacting with forms and user input - DOM manipulation |
| Topic 4: Asynchronous Programming | 13% | - Event loop and execution flow - Async/Await syntax - Promises (creation, chaining, error handling) - Asynchronous patterns for business requirements - Callbacks |
| Topic 5: Objects, Functions, and Classes | 25% | - Higher-order functions - Execution flow and context - Modules and decorators - ES6 classes and inheritance - Function declarations and expressions - Object creation and manipulation - Variable scope and closures - Prototypal inheritance - Arrow functions |
| Topic 6: Debugging and Error Handling | 7% | - Console methods for debugging - Breakpoints and code inspection - Error handling techniques (try/catch/finally) - Custom error types |
| Topic 7: Testing | 7% | - Unit testing concepts - Test effectiveness evaluation - Test coverage and reliability - Writing and modifying unit tests |
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