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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:
- Europe - 63,500 Euro
- United State - 129,630 USD
- England - 60,200 POUND
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How to Study the Salesforce JavaScript-Developer-I Exam
The best study material one can get is the JavaScript-Developer-I practice exam dumps. To ensure good grades, do attempt the JavaScript-Developer-I practice exams. The JavaScript Developer I from Salesforce typically has 1-2 years of experience as a JavaScript developer with the following JavaScript topics.
Classes
Modules
Strings
Control of Mistake
JavaScript on the backend
Monitor (agnostic platform)
Functions (more functions in higher order)
Discharge
Conversion type (inclusive versus explicit)
Asynchronous Programming
Forms of data and operators
Activities
Scope of Variables
Item Model Document
Objects & Arrays: Data Structures
To prepare for this test, we advise a combination of practical experience, completion of training courses, pathways and self-study in the areas listed in the examination outline section of this examination guide.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Debugging and Error Handling | 7% | - Console methods for debugging - Custom error types - Breakpoints and code inspection - Error handling techniques (try/catch/finally) |
| Topic 2: Server Side JavaScript | 8% | - Package management (npm) - Server-side JavaScript implementations - CLI commands - Node.js fundamentals - Core Node.js modules |
| Topic 3: Objects, Functions, and Classes | 25% | - Function declarations and expressions - Execution flow and context - Variable scope and closures - Modules and decorators - Object creation and manipulation - Higher-order functions - Arrow functions - Prototypal inheritance - ES6 classes and inheritance |
| Topic 4: Testing | 7% | - Unit testing concepts - Writing and modifying unit tests - Test coverage and reliability - Test effectiveness evaluation |
| Topic 5: Browser and Events | 17% | - Interacting with forms and user input - Browser-specific APIs - Browser Developer Tools usage - Event propagation (bubbling and capturing) - DOM manipulation - Event handling and listeners |
| Topic 6: Variables, Types, and Collections | 23% | - Truthy and falsy evaluations - Arrays and collections - JSON parsing and manipulation - Primitive and complex data types - Variable declarations and initialization - Type coercion and conversion - Strings, numbers, and dates |
| Topic 7: Asynchronous Programming | 13% | - Event loop and execution flow - Promises (creation, chaining, error handling) - Async/Await syntax - Callbacks - Asynchronous patterns for business requirements |
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