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Salesforce JavaScript-Developer-I Exam is an essential certification for anyone who plans to develop applications on the Salesforce platform using JavaScript. It demonstrates a person’s proficiency in developing secure and scalable applications that can be customized to meet specific business needs. By passing JavaScript-Developer-I exam, candidates can enhance their career prospects, increase job opportunities, and develop a strong foundation in Salesforce development.

Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101

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To prepare for the Salesforce JavaScript-Developer-I certification exam, developers should have a solid understanding of JavaScript, as well as experience working with the Salesforce platform. They should also be familiar with the Salesforce development environment and the tools and resources available to them. There are a number of online resources available to help developers prepare for the exam, including study guides, practice exams, and online training courses.

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Salesforce JavaScript-Developer-I Exam Syllabus Topics:

SectionObjectives
Topic 1: JavaScript Language Fundamentals- ES6+ syntax and features
- Functions, scope, and closures
- Data types, variables, and operators
Topic 2: Testing and Debugging- Unit testing principles
- Debugging techniques and tools
Topic 3: Asynchronous JavaScript- Event loop and concurrency model
- Error handling in async workflows
- Promises and async/await
Topic 4: Browser and DOM Interaction- DOM manipulation and traversal
- Event handling and propagation
- Browser APIs (fetch, storage, timers)
Topic 5: Salesforce Platform Integration- Security considerations in Salesforce JavaScript
- Calling Apex methods from JavaScript
- Lightning Web Components (LWC) JavaScript usage

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