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  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Updated: Aug 11, 2026
  • Q & A: 149 Questions and Answers
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  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Updated: Aug 11, 2026
  • Q & A: 149 Questions and Answers
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  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
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  • Q & A: 149 Questions and Answers
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About

About Salesforce JavaScript-Developer-I Exam braindumps

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:

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

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

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As Javascript development observed in nearly all organizations, Salesforce JavaScript-Developer-I is the most successful qualification candidates can get on their resume. Professionals have therefore been known to demonstrate concern. But this JavaScript-Developer-I can be very easy to clear if practitioners study with JavaScript-Developer-I exam dumps and then take the JavaScript-Developer-I practice exams. However, with accurate focusing and proper planning content, candidates will clear the test. With the aid of these materials, aspirants get reasonable idea about the kind of questions they pose in actual certification, the certification questions provides the most-represented JavaScript-Developer-I practice exams. The Salesforce experts check Prep4SureReview JavaScript-Developer-I exam dumps. Certification questions also include a test for practise and is an ideal forum for checking the information achieved.

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Salesforce JavaScript-Developer-I Certification leaning site Salesforce JavaScript-Developer-Is Certification resources

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).

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Nowadays, many workers realize that it is much more difficult to find a better position if they do not have a professional skill (JavaScript-Developer-I certification training). Different requirements are raised by employees every time. If you have more career qualifications (such Salesforce Salesforce Developer certificate) you will have more advantages over others. If you are determined to pass exam and obtain a certification, now our JavaScript-Developer-I dumps torrent will be your beginning and also short cut. If you already have good education degree and some work experience, a suitable certification will be much helpful for a senior position, that's why our JavaScript-Developer-I exam materials are so popular in this filed and get so many praise among examinees.

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Salesforce JavaScript-Developer-I Exam Syllabus Topics:

SectionWeightObjectives
Testing7%- Test doubles and mocks
- Unit testing concepts
- Code coverage and best practices
- Testing frameworks and assertions
Debugging and Error Handling7%- Console methods and logging
- Defensive programming practices
- Debugging tools and breakpoints
- Error types and exception handling
Asynchronous Programming13%- Promises and chaining
- Async/await syntax
- Fetch API and HTTP requests
- Callbacks and callback hell
- Event loop and micro/macro tasks
Server-Side JavaScript8%- Node.js fundamentals and runtime
- Module system and require/import
- Command-line tools and scripts
- Core Node.js modules
Objects, Functions, and Classes25%- Class syntax, inheritance, and prototypes
- Decorators and advanced function patterns
- Modules and imports/exports
- Function definitions, parameters, and scope
- Object creation, properties, and methods
- Closures and execution context
Variables, Types, and Collections23%- JSON parsing and usage
- Type coercion and conversion rules
- Array methods and data manipulation
- Working with strings, numbers, dates, and booleans
- Truthy and falsy values
- Variable declaration and initialization
Browsers and Events17%- Window and document object properties
- Document Object Model (DOM) manipulation
- Script loading and execution order
- Browser APIs and Web Storage
- Event handling, propagation, and delegation

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