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