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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
Benefits in Obtaining Salesforce JavaScript-Developer-I Certification
With the introduction of the Lightning Experience by Salesforce, it is possible to develop cool, looking applications for a wide range of tasks. Admins have been able to create beautiful pages for their objects more than ever, with an interface entirely tailored for each user.For developers, the same application has never before been possible for Salesforce developers to create applications that stretch well beyond Salesforce's declarative features. It's all achieved with the use of a JavaScript application for Lightning & Lightning Web components.
The certification for JavaScript Developer I has just been released and fills a large gap in the certification list for Salesforce. Salesforce Developers who want to prove their Lightning skills, but also new entrants into the Salesforce community, are certified to demonstrate that they know what is relevant. A typical Salesforce 60 multi-choice test is split into two parts and is influenced by a super badge (Similar to Developer II certification).
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Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Debugging and Error Handling | 7% | - Console methods for debugging - Custom error types - Error handling techniques (try/catch/finally) - Breakpoints and code inspection |
| Variables, Types, and Collections | 23% | - Type coercion and conversion - Truthy and falsy evaluations - Arrays and collections - Primitive and complex data types - Strings, numbers, and dates - JSON parsing and manipulation - Variable declarations and initialization |
| Server Side JavaScript | 8% | - Node.js fundamentals - Server-side JavaScript implementations - Package management (npm) - CLI commands - Core Node.js modules |
| Browser and Events | 17% | - Browser-specific APIs - Event propagation (bubbling and capturing) - Event handling and listeners - Browser Developer Tools usage - Interacting with forms and user input - DOM manipulation |
| Testing | 7% | - Test effectiveness evaluation - Writing and modifying unit tests - Test coverage and reliability - Unit testing concepts |
| Asynchronous Programming | 13% | - Promises (creation, chaining, error handling) - Callbacks - Async/Await syntax - Asynchronous patterns for business requirements - Event loop and execution flow |
| Objects, Functions, and Classes | 25% | - Arrow functions - Higher-order functions - Function declarations and expressions - Execution flow and context - Modules and decorators - Variable scope and closures - Prototypal inheritance - ES6 classes and inheritance - Object creation and manipulation |
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