PDF Version DemoTopics 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
Average Salary for Salesforce JavaScript-Developer-I Exam Certified Professional
Salesforce JavaScript Developer roles are in great demand nowadays. The average salaries of Salesforce JavaScript Developer I exam Certified professional in:
- Europe - 63,500 Euro
- United State - 129,630 USD
- England - 60,200 POUND
For more info read reference:
Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources
Salesforce JavaScript-Developer-I日本語 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified JavaScript Developer I |
| Exam Number: | JS-Dev-101 |
| Related Certifications: | Salesforce Certified JavaScript Developer I Credential |
| Real Exam Qty: | 60 (plus up to 5 unscored pilot questions) |
| Exam Price: | $200 USD |
| Exam Duration: | 105 minutes |
| Available Languages: | English |
| Passing Score: | 65% |
| Certificate Validity Period: | None (Credential does not expire) |
| Exam Format: | Multiple-select, Multiple-choice |
| Sample Questions: | Salesforce JavaScript-Developer-I日本語 Sample Questions |
| Exam Way: | Online (proctored via Pearson VUE) or On-site (at a Pearson VUE testing center) |
| Pre Condition: | None required. 1-2 years of JavaScript development experience (front-end and/or back-end) is strongly recommended. Note: To earn the full credential, candidates must also pass the Lightning Web Components Specialist Superbadge in addition to the JS-Dev-101 exam. |
| Official Syllabus URL: | https://trailhead.salesforce.com/en/credentials/javascriptdeveloperi |
Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Server Side JavaScript | 8% | - Package management (npm) - Server-side JavaScript implementations - Node.js fundamentals - CLI commands - Core Node.js modules |
| Debugging and Error Handling | 7% | - Breakpoints and code inspection - Custom error types - Error handling techniques (try/catch/finally) - Console methods for debugging |
| Testing | 7% | - Writing and modifying unit tests - Test coverage and reliability - Unit testing concepts - Test effectiveness evaluation |
| Asynchronous Programming | 13% | - Async/Await syntax - Asynchronous patterns for business requirements - Promises (creation, chaining, error handling) - Event loop and execution flow - Callbacks |
| Browser and Events | 17% | - Browser-specific APIs - Interacting with forms and user input - DOM manipulation - Browser Developer Tools usage - Event handling and listeners - Event propagation (bubbling and capturing) |
| Objects, Functions, and Classes | 25% | - Function declarations and expressions - Higher-order functions - ES6 classes and inheritance - Prototypal inheritance - Arrow functions - Modules and decorators - Execution flow and context - Variable scope and closures - Object creation and manipulation |
| Variables, Types, and Collections | 23% | - Arrays and collections - Primitive and complex data types - JSON parsing and manipulation - Variable declarations and initialization - Type coercion and conversion - Strings, numbers, and dates - Truthy and falsy evaluations |
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