Salesforce JavaScript-Developer-I exam is a multiple-choice exam that consists of 60 questions. The time limit for the exam is 105 minutes, and candidates must score at least 68% to pass. JavaScript-Developer-I exam is available in English, Japanese, and Spanish, and it is proctored online.
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Salesforce JavaScript-Developer-I (Salesforce Certified JavaScript Developer I) Certification Exam is a highly sought-after certification for professionals who want to demonstrate their expertise in using JavaScript within the Salesforce platform. Salesforce Certified JavaScript Developer (JS-Dev-101) certification is designed to test the candidate's knowledge of JavaScript programming concepts, as well as their ability to use JavaScript in the context of Salesforce.
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Achieving the Salesforce Certified JavaScript Developer I certification is a great way to demonstrate your expertise in JavaScript and your ability to build custom applications that can be integrated with Salesforce. Salesforce Certified JavaScript Developer (JS-Dev-101) certification can help you stand out from other developers and can open up new career opportunities in the Salesforce ecosystem.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Server Side JavaScript | 8% | - Package management (npm) - Core Node.js modules - Node.js fundamentals - Server-side JavaScript implementations - CLI commands |
| Topic 2: Debugging and Error Handling | 7% | - Error handling techniques (try/catch/finally) - Breakpoints and code inspection - Custom error types - Console methods for debugging |
| Topic 3: Testing | 7% | - Test effectiveness evaluation - Unit testing concepts - Writing and modifying unit tests - Test coverage and reliability |
| Topic 4: Objects, Functions, and Classes | 25% | - Prototypal inheritance - Object creation and manipulation - Modules and decorators - Higher-order functions - Variable scope and closures - ES6 classes and inheritance - Execution flow and context - Function declarations and expressions - Arrow functions |
| Topic 5: Asynchronous Programming | 13% | - Promises (creation, chaining, error handling) - Asynchronous patterns for business requirements - Callbacks - Async/Await syntax - Event loop and execution flow |
| Topic 6: Variables, Types, and Collections | 23% | - Type coercion and conversion - Arrays and collections - Truthy and falsy evaluations - Variable declarations and initialization - JSON parsing and manipulation - Strings, numbers, and dates - Primitive and complex data types |
| Topic 7: Browser and Events | 17% | - DOM manipulation - Event propagation (bubbling and capturing) - Browser-specific APIs - Interacting with forms and user input - Browser Developer Tools usage - Event handling and listeners |
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