Pass your actual test with our Salesforce JavaScript-Developer-I training material at first attempt
Last Updated: Aug 02, 2026
No. of Questions: 149 Questions & Answers with Testing Engine
Download Limit: Unlimited
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Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
| Section | Objectives |
|---|---|
| JavaScript Language Fundamentals | - Functions, scope, and closures - Data types, variables, and operators - ES6+ syntax and features |
| Testing and Debugging | - Unit testing principles - Debugging techniques and tools |
| Browser and DOM Interaction | - Browser APIs (fetch, storage, timers) - DOM manipulation and traversal - Event handling and propagation |
| Asynchronous JavaScript | - Event loop and concurrency model - Promises and async/await - Error handling in async workflows |
| Salesforce Platform Integration | - Lightning Web Components (LWC) JavaScript usage - Calling Apex methods from JavaScript - Security considerations in Salesforce JavaScript |
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