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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam
- The type of questions is Multiple Choice and situation-based questions.
- There is a time limit of 105 minutes for the exam.
- This exam consists of 60 questions
- Passing score 65%
- This exam is offered in only English.
Who should take the Salesforce JavaScript-Developer-I Exam
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:
- UI/UX Engineer
- Front end developer
- Technical Project Manager
- Full stack developer
- Salesforce developer
- Support engineer
- Software/backend developer
- Web application developer
- JavaScript programmer
- Technical Product Manager
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Testing | 7% | - Test doubles and mocks - Testing frameworks and assertions - Unit testing concepts - Code coverage and best practices |
| Objects, Functions, and Classes | 25% | - Object creation, properties, and methods - Function definitions, parameters, and scope - Class syntax, inheritance, and prototypes - Modules and imports/exports - Closures and execution context - Decorators and advanced function patterns |
| Server-Side JavaScript | 8% | - Module system and require/import - Core Node.js modules - Node.js fundamentals and runtime - Command-line tools and scripts |
| Debugging and Error Handling | 7% | - Console methods and logging - Defensive programming practices - Debugging tools and breakpoints - Error types and exception handling |
| Variables, Types, and Collections | 23% | - Type coercion and conversion rules - JSON parsing and usage - Working with strings, numbers, dates, and booleans - Variable declaration and initialization - Truthy and falsy values - Array methods and data manipulation |
| Asynchronous Programming | 13% | - Event loop and micro/macro tasks - Async/await syntax - Callbacks and callback hell - Promises and chaining - Fetch API and HTTP requests |
| Browsers and Events | 17% | - Script loading and execution order - Window and document object properties - Document Object Model (DOM) manipulation - Event handling, propagation, and delegation - Browser APIs and Web Storage |
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