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Topics of Salesforce JavaScript Developer I Exam
Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts Salesforce JavaScript-Developer-I exam will include the following topics:
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
For more info read reference:
Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
How to book the Salesforce JavaScript-Developer-I Exam
There are the following steps for registering the Salesforce JavaScript Developer I exam. Step 1: Visit Salesforce Exam Registration Step 2: Signup/Login to Salesforce account Step 4: Select Date, time and confirm with the payment method
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Asynchronous Programming | 13% | - Asynchronous patterns for business requirements - Async/Await syntax - Callbacks - Promises (creation, chaining, error handling) - Event loop and execution flow |
| Server Side JavaScript | 8% | - Core Node.js modules - Node.js fundamentals - Package management (npm) - CLI commands - Server-side JavaScript implementations |
| Variables, Types, and Collections | 23% | - Variable declarations and initialization - Type coercion and conversion - Strings, numbers, and dates - JSON parsing and manipulation - Arrays and collections - Truthy and falsy evaluations - Primitive and complex data types |
| Debugging and Error Handling | 7% | - Console methods for debugging - Breakpoints and code inspection - Custom error types - Error handling techniques (try/catch/finally) |
| Testing | 7% | - Unit testing concepts - Test coverage and reliability - Writing and modifying unit tests - Test effectiveness evaluation |
| Browser and Events | 17% | - Browser-specific APIs - Interacting with forms and user input - Browser Developer Tools usage - Event propagation (bubbling and capturing) - Event handling and listeners - DOM manipulation |
| Objects, Functions, and Classes | 25% | - Execution flow and context - Modules and decorators - Function declarations and expressions - ES6 classes and inheritance - Object creation and manipulation - Higher-order functions - Arrow functions - Variable scope and closures - Prototypal inheritance |
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