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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:
- Front end developer
- Full stack developer
- UI/UX Engineer
- Web application developer
- JavaScript programmer
- Salesforce developer
- Technical Product Manager
- Software/backend developer
- Technical Project Manager
- Support engineer
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How to Study the Salesforce JavaScript-Developer-I Exam
The best study material one can get is the JavaScript-Developer-I practice exam dumps. To ensure good grades, do attempt the JavaScript-Developer-I practice exams. The JavaScript Developer I from Salesforce typically has 1-2 years of experience as a JavaScript developer with the following JavaScript topics.
Discharge
Forms of data and operators
Item Model Document
Control of Mistake
JavaScript on the backend
Strings
Modules
Scope of Variables
Conversion type (inclusive versus explicit)
Classes
Asynchronous Programming
Activities
Functions (more functions in higher order)
Objects & Arrays: Data Structures
Monitor (agnostic platform)
To prepare for this test, we advise a combination of practical experience, completion of training courses, pathways and self-study in the areas listed in the examination outline section of this examination guide.
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 |
|---|---|---|
| Debugging and Error Handling | 7% | - Console methods for debugging - Custom error types - Error handling techniques (try/catch/finally) - Breakpoints and code inspection |
| Testing | 7% | - Test effectiveness evaluation - Writing and modifying unit tests - Unit testing concepts - Test coverage and reliability |
| Asynchronous Programming | 13% | - Callbacks - Promises (creation, chaining, error handling) - Async/Await syntax - Asynchronous patterns for business requirements - Event loop and execution flow |
| Objects, Functions, and Classes | 25% | - ES6 classes and inheritance - Prototypal inheritance - Modules and decorators - Higher-order functions - Arrow functions - Object creation and manipulation - Execution flow and context - Function declarations and expressions - Variable scope and closures |
| Server Side JavaScript | 8% | - Node.js fundamentals - Core Node.js modules - Package management (npm) - Server-side JavaScript implementations - CLI commands |
| Variables, Types, and Collections | 23% | - Arrays and collections - Strings, numbers, and dates - Truthy and falsy evaluations - Variable declarations and initialization - Type coercion and conversion - Primitive and complex data types - JSON parsing and manipulation |
| Browser and Events | 17% | - Event handling and listeners - Browser Developer Tools usage - Interacting with forms and user input - DOM manipulation - Event propagation (bubbling and capturing) - Browser-specific APIs |
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