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Salesforce JavaScript-Developer-I Exam Braindumps - in .pdf Free Demo

  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Last Updated: Jul 26, 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)
  • Last Updated: Jul 26, 2026
  • Q & A: 149 Questions and Answers
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How to Prepare for Salesforce JavaScript Developer I Exam

Preparation Guide for Salesforce JavaScript Developer I Exam

Introduction

Salesforce is a solution for managing customer relationships that unite customers and companies. This is an interactive CRM platform that provides a single, shared view of every client in all the divisions including marketing, distribution, exchange, and operation. Provide the clients with the individual experience Salesforce demand 360 product via the Integrated CRM Platform. It delivers solid and related goods to boost marketing, revenue, exchange, operation, IT, and more. Salesforce is a digital cloud computing (SaaS) firm specializing in the management of client relationships (CRMs). There was a mistake. The app is now the number one of consumer satisfaction and allows organizations to track customer behavior, advertise to consumers, and more. Salesforce is common because it is bundled with features such as contact management, workflow development, task management, incentive monitoring, teamwork tools, customer experience tools, analytics, and interactive, smartphone dashboard.

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Benefits in Obtaining Salesforce JavaScript-Developer-I Certification

With the introduction of the Lightning Experience by Salesforce, it is possible to develop cool, looking applications for a wide range of tasks. Admins have been able to create beautiful pages for their objects more than ever, with an interface entirely tailored for each user.For developers, the same application has never before been possible for Salesforce developers to create applications that stretch well beyond Salesforce's declarative features. It's all achieved with the use of a JavaScript application for Lightning & Lightning Web components.

The certification for JavaScript Developer I has just been released and fills a large gap in the certification list for Salesforce. Salesforce Developers who want to prove their Lightning skills, but also new entrants into the Salesforce community, are certified to demonstrate that they know what is relevant. A typical Salesforce 60 multi-choice test is split into two parts and is influenced by a super badge (Similar to Developer II certification).

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

Salesforce JavaScript-Developer-I Exam Syllabus Topics:

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

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