Instantly download JavaScript-Developer-I updated real questions
Pass your actual test at first attempt with Salesforce JavaScript-Developer-I training material
Last Updated: Jul 29, 2026
No. of Questions: 149 Questions & Answers with Testing Engine
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Salesforce JavaScript Developer roles are in great demand nowadays. The average salaries of Salesforce JavaScript Developer I exam Certified professional in:
- England - 60,200 POUND
- Europe - 63,500 Euro
- United State - 129,630 USD
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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.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Salesforce Platform Integration | - Lightning Web Components (LWC) JavaScript usage - Security considerations in Salesforce JavaScript - Calling Apex methods from JavaScript |
| Topic 2: Testing and Debugging | - Unit testing principles - Debugging techniques and tools |
| Topic 3: Asynchronous JavaScript | - Promises and async/await - Error handling in async workflows - Event loop and concurrency model |
| Topic 4: Browser and DOM Interaction | - DOM manipulation and traversal - Browser APIs (fetch, storage, timers) - Event handling and propagation |
| Topic 5: JavaScript Language Fundamentals | - ES6+ syntax and features - Functions, scope, and closures - Data types, variables, and operators |
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