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Salesforce JavaScript Developer I

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Salesforce JavaScript Developer I Exam


The Salesforce Certified JavaScript Developer I Credential is designed for individuals with proficiency, expertise, and practical experience in developing front-end and/or back-end JavaScript applications for web stacks. These skills are versatile across frameworks and are not restricted to mobile or device-specific platforms.

This certification validates the foundational JavaScript skills as well as the hands-on development abilities of candidates required to work with JavaScript-related technologies such as the Lightning Component framework, particularly Lightning Web Components (LWC). Lightning web components are customized HTML elements constructed using standard HTML and contemporary JavaScript.


Who should take the exam?

The Salesforce Certified JavaScript Developer I certification is designed for Salesforce partners, customers, and employees who engage with JavaScript and possess expertise in the Lightning Component framework, along with experience in developing Lightning Web Components (LWC). Common job roles aligned with the Salesforce Certified JavaScript Developer I certification include:

  • JavaScript programmer
  • Salesforce Developer
  • Full stack developer
  • Web application developer
  • Front-end developer
  • Software/backend developer
  • Support engineer
  • Technical product/project manager
  • UI/UX engineer


Course Outline 

The Exam covers the given topics  - 

  • Domain 1: Understand Variables, Types, and Collections: 23%
  • Domain 2: Learn about Objects, Functions, and Classes: 25%
  • Domain 3: Browser and Events: 17%
  • Domain 4: Understand Debugging and Error Handling: 7%
  • Domain 5: Asynchronous Programming: 13%
  • Domain 6: Learn Server Side JavaScript: 8%
  • Domain 7: Testing: 7%