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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
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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.
Activities
Strings
Control of Mistake
Monitor (agnostic platform)
Scope of Variables
Discharge
JavaScript on the backend
Functions (more functions in higher order)
Item Model Document
Forms of data and operators
Classes
Asynchronous Programming
Objects & Arrays: Data Structures
Modules
Conversion type (inclusive versus explicit)
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.
Time is valued especially when we are all caught up with plans and still step with the handy matters. If you suffer from procrastination and cannot make full use of your sporadic time during your learning process, it is an ideal way to choose our JavaScript-Developer-I training materials. We can guarantee that you are able not only to enjoy the pleasure of study but also obtain your certification successfully, which can be seen as killing two birds with one stone. You will have a full understanding about our JavaScript-Developer-I guide torrent after you read the following advantages. And you will be surprised to find our superiorities than the other vendors.
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Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
| Browsers and Events | 17% | - Window and document object properties
- Document Object Model (DOM) manipulation
- Script loading and execution order
- Browser APIs and Web Storage
- Event handling, propagation, and delegation
|
| Testing | 7% | - Unit testing concepts
- Test doubles and mocks
- Testing frameworks and assertions
- Code coverage and best practices
|
| Objects, Functions, and Classes | 25% | - Modules and imports/exports
- Object creation, properties, and methods
- Function definitions, parameters, and scope
- Closures and execution context
- Decorators and advanced function patterns
- Class syntax, inheritance, and prototypes
|
| Asynchronous Programming | 13% | - Async/await syntax
- Fetch API and HTTP requests
- Promises and chaining
- Event loop and micro/macro tasks
- Callbacks and callback hell
|
| Debugging and Error Handling | 7% | - Console methods and logging
- Error types and exception handling
- Defensive programming practices
- Debugging tools and breakpoints
|
| Variables, Types, and Collections | 23% | - Variable declaration and initialization
- JSON parsing and usage
- Truthy and falsy values
- Array methods and data manipulation
- Type coercion and conversion rules
- Working with strings, numbers, dates, and booleans
|
| Server-Side JavaScript | 8% | - Core Node.js modules
- Node.js fundamentals and runtime
- Module system and require/import
- Command-line tools and scripts
|