Topics of Salesforce JavaScript Developer I Exam
Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts Salesforce JavaScript-Developer-I exam will include the following topics:
1. Variable, Types, and Collection: 23%
Scenario based coding Variables Creation and Initialization JSON object understanding
2. Object, Functions, and Classes: 25%
Implementation of different functions Understanding of different modules of Javascript Scope of variables and their execution flow
3. Browser and Events: 17%
Handling and propagation of events Development tools of browsers Understanding of browser specific APIs
4. Asynchronous Programming: 13%
Asynchrounous programming different concepts Monitoring and management of different loops
5. Server Side Javascript: 8%
Implementation of Node.js Understanding of Node.js CLI commands
6. Testing: 7%
Unit Testing effectiveness of different tests
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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.
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
Conversion type (inclusive versus explicit)
Objects & Arrays: Data Structures
Classes
Monitor (agnostic platform)
Scope of Variables
Strings
Asynchronous Programming
Forms of data and operators
Control of Mistake
Item Model Document
JavaScript on the backend
Modules
Functions (more functions in higher order)
Activities
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.
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
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Objects, Functions, and Classes | 25% | - Arrow functions - Object creation and manipulation - Execution flow and context - Prototypal inheritance - Modules and decorators - Higher-order functions - ES6 classes and inheritance - Variable scope and closures - Function declarations and expressions |
| Topic 2: Debugging and Error Handling | 7% | - Console methods for debugging - Custom error types - Breakpoints and code inspection - Error handling techniques (try/catch/finally) |
| Topic 3: Browser and Events | 17% | - DOM manipulation - Event handling and listeners - Event propagation (bubbling and capturing) - Browser-specific APIs - Browser Developer Tools usage - Interacting with forms and user input |
| Topic 4: Asynchronous Programming | 13% | - Asynchronous patterns for business requirements - Callbacks - Event loop and execution flow - Promises (creation, chaining, error handling) - Async/Await syntax |
| Topic 5: Server Side JavaScript | 8% | - Node.js fundamentals - Core Node.js modules - CLI commands - Server-side JavaScript implementations - Package management (npm) |
| Topic 6: Variables, Types, and Collections | 23% | - Type coercion and conversion - Arrays and collections - Primitive and complex data types - JSON parsing and manipulation - Truthy and falsy evaluations - Strings, numbers, and dates - Variable declarations and initialization |
| Topic 7: Testing | 7% | - Test effectiveness evaluation - Unit testing concepts - Test coverage and reliability - Writing and modifying unit tests |
