Salesforce JavaScript-Developer-I Q&A - in .pdf

  • JavaScript-Developer-I pdf
  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Updated: Aug 21, 2026
  • Q & A: 149 Questions and Answers
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    Printable Salesforce JavaScript-Developer-I PDF Format. It is an electronic file format regardless of the operating system platform.
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Salesforce JavaScript-Developer-I Value Pack
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  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
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  • Updated: Aug 21, 2026
  • Q & A: 149 Questions and Answers
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  • Value Pack Total: $119.98  $79.99
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Salesforce JavaScript-Developer-I Q&A - Testing Engine

  • JavaScript-Developer-I Testing Engine
  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Updated: Aug 21, 2026
  • Q & A: 149 Questions and Answers
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Introduction to Salesforce JavaScript Developer I Exam

The credential Salesforce Accredited JavaScript Developer I is meant for applicants who build JavaScript applications for the web stack on the front-end and/or back-end.This validates both key JavaScript expertise and functional skills for applicants, for example, Lightning Components Platform, and Lightning Web Component technology relevant to JavaScript. Lightning web elements are personalised HTML elements that are designed with traditional HTML and modern JavaScript.

The Salesforce JavaScript Developer I certification requires two parts: the multiple-choice test given by the JavaScript Developer I and the Superbadge Lightning Web Components. In any order, all these credentials can be accessed. A Salesforce Certified Javascript Developer I certification is immediately obtained by adding these two certificates. The qualification applicant for Salesforce JavaScript Accredited Developer I will use the JavaScript language to build front-end or back-end software in one or more frameworks. The applicant will plan, build and evaluate effective , safe and reusable solutions.

The candidate can use JavaScript-specific programming style patterns and can use CSS , HTML, and other languages for integrating JavaScript. With Lightning Web Components, any JavaScript developer can build on Salesforce easily. This means that millions of JavaScript developers around the world will code on Salesforce without learning anything new. Developers can create and deploy brand-new fast apps on Salesforce using the current Lightning Platform development services portfolio and the modern JavaScript language. Salesforce JavaScript Developer I Certificate from Salesforce is designed to help Salesforce partners, customers and employees working on JavaScript as well as the Lightning Component Platform, know-how and knowledge and creation of Lightning web components (LWC's).

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

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JavaScript-Developer-I exam dumps

Who should take the Salesforce JavaScript-Developer-I Exam

This course is designed for Javascript developers starting on the Salesforce platform who require programming customizations on front-end and back-end. There are no prerequisites for Salesforce JavaScript Developer I Exam. Typical job roles that align to the Salesforce Certified JavaScript Developer I are as follows:

  • Support engineer
  • JavaScript programmer
  • Technical Project Manager
  • Technical Product Manager
  • Web application developer
  • Software/backend developer
  • Full stack developer
  • Salesforce developer
  • Front end developer
  • UI/UX Engineer

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

Salesforce JavaScript-Developer-I Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Variables, Types, and Collections23%- Strings, numbers, and dates
- Arrays and collections
- JSON parsing and manipulation
- Primitive and complex data types
- Variable declarations and initialization
- Truthy and falsy evaluations
- Type coercion and conversion
Topic 2: Asynchronous Programming13%- Event loop and execution flow
- Callbacks
- Promises (creation, chaining, error handling)
- Async/Await syntax
- Asynchronous patterns for business requirements
Topic 3: Objects, Functions, and Classes25%- Higher-order functions
- Object creation and manipulation
- ES6 classes and inheritance
- Prototypal inheritance
- Variable scope and closures
- Execution flow and context
- Arrow functions
- Function declarations and expressions
- Modules and decorators
Topic 4: Debugging and Error Handling7%- Custom error types
- Console methods for debugging
- Breakpoints and code inspection
- Error handling techniques (try/catch/finally)
Topic 5: Testing7%- Test coverage and reliability
- Test effectiveness evaluation
- Unit testing concepts
- Writing and modifying unit tests
Topic 6: Server Side JavaScript8%- Node.js fundamentals
- Core Node.js modules
- CLI commands
- Package management (npm)
- Server-side JavaScript implementations
Topic 7: Browser and Events17%- Interacting with forms and user input
- Event propagation (bubbling and capturing)
- Event handling and listeners
- Browser-specific APIs
- DOM manipulation
- Browser Developer Tools usage

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