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:
- United State - 129,630 USD
- Europe - 63,500 Euro
- England - 60,200 POUND
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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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日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Testing | 7% | - Test effectiveness evaluation - Unit testing concepts - Writing and modifying unit tests - Test coverage and reliability |
| Topic 2: Server Side JavaScript | 8% | - Package management (npm) - Server-side JavaScript implementations - CLI commands - Node.js fundamentals - Core Node.js modules |
| Topic 3: Asynchronous Programming | 13% | - Asynchronous patterns for business requirements - Event loop and execution flow - Callbacks - Async/Await syntax - Promises (creation, chaining, error handling) |
| Topic 4: Debugging and Error Handling | 7% | - Error handling techniques (try/catch/finally) - Custom error types - Console methods for debugging - Breakpoints and code inspection |
| Topic 5: Variables, Types, and Collections | 23% | - JSON parsing and manipulation - Arrays and collections - Truthy and falsy evaluations - Strings, numbers, and dates - Type coercion and conversion - Variable declarations and initialization - Primitive and complex data types |
| Topic 6: Browser and Events | 17% | - DOM manipulation - Browser-specific APIs - Interacting with forms and user input - Event propagation (bubbling and capturing) - Browser Developer Tools usage - Event handling and listeners |
| Topic 7: Objects, Functions, and Classes | 25% | - Arrow functions - ES6 classes and inheritance - Function declarations and expressions - Variable scope and closures - Higher-order functions - Prototypal inheritance - Object creation and manipulation - Modules and decorators - Execution flow and context |
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