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 Certification leaning site Salesforce JavaScript-Developer-Is Certification resources
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: Debugging and Error Handling | 7% | - Breakpoints and code inspection - Console methods for debugging - Error handling techniques (try/catch/finally) - Custom error types |
| Topic 2: Browser and Events | 17% | - Event propagation (bubbling and capturing) - Browser Developer Tools usage - DOM manipulation - Event handling and listeners - Browser-specific APIs - Interacting with forms and user input |
| Topic 3: Asynchronous Programming | 13% | - Event loop and execution flow - Promises (creation, chaining, error handling) - Callbacks - Asynchronous patterns for business requirements - Async/Await syntax |
| Topic 4: Server Side JavaScript | 8% | - CLI commands - Node.js fundamentals - Package management (npm) - Server-side JavaScript implementations - Core Node.js modules |
| Topic 5: Variables, Types, and Collections | 23% | - Variable declarations and initialization - Primitive and complex data types - Strings, numbers, and dates - Truthy and falsy evaluations - Type coercion and conversion - Arrays and collections - JSON parsing and manipulation |
| Topic 6: Testing | 7% | - Writing and modifying unit tests - Test coverage and reliability - Unit testing concepts - Test effectiveness evaluation |
| Topic 7: Objects, Functions, and Classes | 25% | - Arrow functions - Variable scope and closures - Prototypal inheritance - Execution flow and context - Higher-order functions - Modules and decorators - Object creation and manipulation - Function declarations and expressions - ES6 classes and inheritance |
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