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