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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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Who should take the Salesforce JavaScript-Developer-I Exam
This course is designed for Javascript developers starting on the Salesforce platform who require programming customizations on front-end and back-end. There are no prerequisites for Salesforce JavaScript Developer I Exam. Typical job roles that align to the Salesforce Certified JavaScript Developer I are as follows:
- Support engineer
- Web application developer
- Technical Project Manager
- JavaScript programmer
- Front end developer
- Technical Product Manager
- Software/backend developer
- Full stack developer
- UI/UX Engineer
- Salesforce developer
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Server Side JavaScript | 8% | - Server-side JavaScript implementations - CLI commands - Package management (npm) - Node.js fundamentals - Core Node.js modules |
| Topic 2: Debugging and Error Handling | 7% | - Custom error types - Error handling techniques (try/catch/finally) - Console methods for debugging - Breakpoints and code inspection |
| Topic 3: Objects, Functions, and Classes | 25% | - Function declarations and expressions - Variable scope and closures - Modules and decorators - Execution flow and context - Higher-order functions - Prototypal inheritance - ES6 classes and inheritance - Object creation and manipulation - Arrow functions |
| Topic 4: Variables, Types, and Collections | 23% | - Variable declarations and initialization - Primitive and complex data types - Type coercion and conversion - Arrays and collections - Strings, numbers, and dates - JSON parsing and manipulation - Truthy and falsy evaluations |
| Topic 5: Asynchronous Programming | 13% | - Event loop and execution flow - Promises (creation, chaining, error handling) - Async/Await syntax - Asynchronous patterns for business requirements - Callbacks |
| Topic 6: Browser and Events | 17% | - Interacting with forms and user input - Event propagation (bubbling and capturing) - DOM manipulation - Browser-specific APIs - Browser Developer Tools usage - Event handling and listeners |
| Topic 7: Testing | 7% | - Unit testing concepts - Test effectiveness evaluation - Test coverage and reliability - Writing and modifying unit tests |
