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Salesforce JavaScript-Developer-I dumps torrent : Salesforce Certified JavaScript Developer (JS-Dev-101)
- Exam Code: JavaScript-Developer-I
- Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
- Updated: Aug 17, 2026 Q & A: 149 Questions and Answers
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To prepare for the Salesforce JavaScript-Developer-I exam, candidates must have a strong understanding of JavaScript programming concepts, including data types, functions, events, and objects. They should also have knowledge of the Salesforce platform, including Apex, Visualforce, and Lightning Components. Candidates can also take the Salesforce JavaScript Developer I certification training course to gain the necessary skills and knowledge to pass the exam.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
About Salesforce Certified JavaScript Developer (JS-Dev-101) : JavaScript-Developer-I Exam Questions
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Salesforce JavaScript-Developer-I exam is designed to test the skills and knowledge of developers who specialize in JavaScript development on the Salesforce platform. Salesforce Certified JavaScript Developer (JS-Dev-101) certification is perfect for developers who want to demonstrate their expertise in building custom applications using JavaScript on the Salesforce platform. JavaScript-Developer-I exam covers a variety of topics, including Apex, Visualforce, and Lightning Web Components, and is designed to test a developer's ability to design, develop, and maintain custom applications on the Salesforce platform.
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Debugging and Error Handling | 7% | - Breakpoints and code inspection - Custom error types - Console methods for debugging - Error handling techniques (try/catch/finally) |
| Server Side JavaScript | 8% | - Core Node.js modules - Package management (npm) - CLI commands - Node.js fundamentals - Server-side JavaScript implementations |
| Objects, Functions, and Classes | 25% | - Prototypal inheritance - Arrow functions - ES6 classes and inheritance - Higher-order functions - Function declarations and expressions - Variable scope and closures - Object creation and manipulation - Modules and decorators - Execution flow and context |
| Asynchronous Programming | 13% | - Event loop and execution flow - Asynchronous patterns for business requirements - Promises (creation, chaining, error handling) - Callbacks - Async/Await syntax |
| Variables, Types, and Collections | 23% | - Type coercion and conversion - Variable declarations and initialization - Arrays and collections - JSON parsing and manipulation - Truthy and falsy evaluations - Strings, numbers, and dates - Primitive and complex data types |
| Browser and Events | 17% | - Browser Developer Tools usage - Event handling and listeners - Event propagation (bubbling and capturing) - DOM manipulation - Interacting with forms and user input - Browser-specific APIs |
| Testing | 7% | - Unit testing concepts - Writing and modifying unit tests - Test effectiveness evaluation - Test coverage and reliability |
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