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