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Last Updated: Jul 22, 2026

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Salesforce JavaScript-Developer-I Practice Q&A's

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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.

Nowadays, competitions among graduates and many other job seekers are very drastic. A great post is usually difficult to obtain. If you really want to choose a desired job, useful skills are very important for you to complete with others. Our Salesforce Certified JavaScript Developer (JS-Dev-101) training vce can help you pass the exam and gain the Salesforce Developer certificate. When you enter the interview process, these skills will help you stand out. Your chance of being employed is bigger than others. Later, you will get promotions quickly and have a successful career.

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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam

  • This exam is offered in only English.
  • Passing score 65%
  • This exam consists of 60 questions
  • The type of questions is Multiple Choice and situation-based questions.
  • There is a time limit of 105 minutes for the exam.

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

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Salesforce JavaScript-Developer-I Exam Syllabus Topics:

SectionObjectives
Testing and Debugging- Debugging techniques and tools
- Unit testing principles
Browser and DOM Interaction- Browser APIs (fetch, storage, timers)
- Event handling and propagation
- DOM manipulation and traversal
JavaScript Language Fundamentals- Data types, variables, and operators
- Functions, scope, and closures
- ES6+ syntax and features
Asynchronous JavaScript- Event loop and concurrency model
- Promises and async/await
- Error handling in async workflows
Salesforce Platform Integration- Calling Apex methods from JavaScript
- Lightning Web Components (LWC) JavaScript usage
- Security considerations in Salesforce JavaScript

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