For more info read reference:
Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources
How to book the Salesforce JavaScript-Developer-I Exam
There are the following steps for registering the Salesforce JavaScript Developer I exam. Step 1: Visit Salesforce Exam Registration Step 2: Signup/Login to Salesforce account Step 4: Select Date, time and confirm with the payment method
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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.
JavaScript on the backend
Asynchronous Programming
Forms of data and operators
Conversion type (inclusive versus explicit)
Discharge
Classes
Monitor (agnostic platform)
Scope of Variables
Strings
Activities
Modules
Control of Mistake
Item Model Document
Objects & Arrays: Data Structures
Functions (more functions in higher order)
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
Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Asynchronous Programming | 13% | - Async/Await syntax - Promises (creation, chaining, error handling) - Asynchronous patterns for business requirements - Event loop and execution flow - Callbacks |
| Topic 2: Server Side JavaScript | 8% | - Server-side JavaScript implementations - Node.js fundamentals - CLI commands - Core Node.js modules - Package management (npm) |
| Topic 3: Variables, Types, and Collections | 23% | - Variable declarations and initialization - JSON parsing and manipulation - Type coercion and conversion - Truthy and falsy evaluations - Strings, numbers, and dates - Arrays and collections - Primitive and complex data types |
| Topic 4: Objects, Functions, and Classes | 25% | - Modules and decorators - Object creation and manipulation - Prototypal inheritance - Higher-order functions - ES6 classes and inheritance - Function declarations and expressions - Arrow functions - Variable scope and closures - Execution flow and context |
| Topic 5: Browser and Events | 17% | - DOM manipulation - Browser-specific APIs - Event propagation (bubbling and capturing) - Event handling and listeners - Browser Developer Tools usage - Interacting with forms and user input |
| Topic 6: Testing | 7% | - Test coverage and reliability - Unit testing concepts - Writing and modifying unit tests - Test effectiveness evaluation |
| Topic 7: Debugging and Error Handling | 7% | - Custom error types - Breakpoints and code inspection - Console methods for debugging - Error handling techniques (try/catch/finally) |
