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