Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) : JavaScript-Developer-I日本語

JavaScript-Developer-I日本語 real exams

Exam Code: JavaScript-Developer-I-JPN

Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)

Updated: Aug 06, 2026

Q & A: 149 Questions and Answers

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About Salesforce JavaScript-Developer-I日本語 Exam

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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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Salesforce JavaScript Developer I Certification Path

You must get an idea of exactly what this certification is, before investing your valuable time, effort, or money in Salesforce. The demand and the need for Salesforce certified professionals are rapidly growing and so Salesforce JavaScript Developer I Certification is becoming more and more popular. Different types of online training sessions are provided such as Intellipaat 's online training sessions for the Salesforce JavaScript Developer I Qualification . It is instructor-led teaching by subject professionals working in major organizations. This style of training includes live sessions with the teacher, along with a forum where you can clear all your course-based doubts.

Self-paced sessions are also offered. This training mode involves pre-recorded video sessions. You can conveniently return to these talks and revisit the subjects you have skipped whether you have any difficulties with the lectures or have difficulty keeping up with the online meetings. You will also use these sessions to finish your exercise at your speed while you access these online lessons throughout your life.

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

Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:

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

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