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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
- England - 60,200 POUND
- United State - 129,630 USD
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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.
JavaScript on the backend
Strings
Discharge
Activities
Objects & Arrays: Data Structures
Conversion type (inclusive versus explicit)
Scope of Variables
Asynchronous Programming
Control of Mistake
Monitor (agnostic platform)
Functions (more functions in higher order)
Forms of data and operators
Item Model Document
Modules
Classes
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
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Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Server Side JavaScript | 8% | - Node.js fundamentals - Server-side JavaScript implementations - Package management (npm) - Core Node.js modules - CLI commands |
| Topic 2: Variables, Types, and Collections | 23% | - Variable declarations and initialization - JSON parsing and manipulation - Strings, numbers, and dates - Arrays and collections - Primitive and complex data types - Type coercion and conversion - Truthy and falsy evaluations |
| Topic 3: Objects, Functions, and Classes | 25% | - Execution flow and context - Object creation and manipulation - Higher-order functions - Function declarations and expressions - Modules and decorators - Variable scope and closures - Prototypal inheritance - Arrow functions - ES6 classes and inheritance |
| Topic 4: Asynchronous Programming | 13% | - Promises (creation, chaining, error handling) - Asynchronous patterns for business requirements - Callbacks - Event loop and execution flow - Async/Await syntax |
| Topic 5: Testing | 7% | - Test effectiveness evaluation - Unit testing concepts - Writing and modifying unit tests - Test coverage and reliability |
| Topic 6: Browser and Events | 17% | - Browser Developer Tools usage - Interacting with forms and user input - DOM manipulation - Event propagation (bubbling and capturing) - Browser-specific APIs - Event handling and listeners |
| Topic 7: Debugging and Error Handling | 7% | - Error handling techniques (try/catch/finally) - Console methods for debugging - Custom error types - Breakpoints and code inspection |
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