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