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

  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
  • Last Updated: Aug 06, 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: Aug 06, 2026
  • Q & A: 149 Questions and Answers
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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).

How to Study the Salesforce JavaScript-Developer-I Exam

The best study material one can get is the JavaScript-Developer-I practice exam dumps. To ensure good grades, do attempt the JavaScript-Developer-I practice exams. The JavaScript Developer I from Salesforce typically has 1-2 years of experience as a JavaScript developer with the following JavaScript topics.

  • Control of Mistake

  • Strings

  • JavaScript on the backend

  • Discharge

  • Conversion type (inclusive versus explicit)

  • Forms of data and operators

  • Classes

  • Functions (more functions in higher order)

  • Scope of Variables

  • Modules

  • Objects & Arrays: Data Structures

  • Asynchronous Programming

  • Item Model Document

  • Activities

  • Monitor (agnostic platform)

To prepare for this test, we advise a combination of practical experience, completion of training courses, pathways and self-study in the areas listed in the examination outline section of this examination guide.

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.

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

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Salesforce JavaScript-Developer-I Exam Syllabus Topics:

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

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