What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam
- There is a time limit of 105 minutes for the exam.
- This exam is offered in only English.
- The type of questions is Multiple Choice and situation-based questions.
- Passing score 65%
- This exam consists of 60 questions
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Average Salary for Salesforce JavaScript-Developer-I Exam Certified Professional
Salesforce JavaScript Developer roles are in great demand nowadays. The average salaries of Salesforce JavaScript Developer I exam Certified professional in:
- England - 60,200 POUND
- United State - 129,630 USD
- Europe - 63,500 Euro
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% | - Server-side JavaScript implementations
- Package management (npm)
- Node.js fundamentals
- Core Node.js modules
- CLI commands
|
| Topic 2: Variables, Types, and Collections | 23% | - Truthy and falsy evaluations
- Type coercion and conversion
- Variable declarations and initialization
- JSON parsing and manipulation
- Arrays and collections
- Primitive and complex data types
- Strings, numbers, and dates
|
| Topic 3: Debugging and Error Handling | 7% | - Error handling techniques (try/catch/finally)
- Breakpoints and code inspection
- Console methods for debugging
- Custom error types
|
| Topic 4: Browser and Events | 17% | - Event propagation (bubbling and capturing)
- Browser-specific APIs
- Event handling and listeners
- DOM manipulation
- Interacting with forms and user input
- Browser Developer Tools usage
|
| Topic 5: Asynchronous Programming | 13% | - Callbacks
- Async/Await syntax
- Event loop and execution flow
- Asynchronous patterns for business requirements
- Promises (creation, chaining, error handling)
|
| Topic 6: Testing | 7% | - Writing and modifying unit tests
- Test effectiveness evaluation
- Unit testing concepts
- Test coverage and reliability
|
| Topic 7: Objects, Functions, and Classes | 25% | - Modules and decorators
- Execution flow and context
- Variable scope and closures
- Function declarations and expressions
- Higher-order functions
- Arrow functions
- Prototypal inheritance
- ES6 classes and inheritance
- Object creation and manipulation
|