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Instant Download Salesforce : JavaScript-Developer-I日本語 Questions & Answers as PDF & Test Engine

JavaScript-Developer-I日本語
  • Exam Code: JavaScript-Developer-I
  • Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)
  • Updated: Sep 03, 2026
  • No. of Questions: 149 Questions and Answers
  • Download Limit: Unlimited
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How much Salesforce JavaScript-Developer-I Exam Cost

The price of the Salesforce JavaScript Developer I certification is $200 USD, for more information related to the Salesforce JavaScript-Developer-I Exam please visit Salesforce website.

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

High Pass Rate

The experts in our company have been focusing on the JavaScript-Developer-I日本語 examination for a long time and they never overlook any new knowledge. The content of our study materials has always been kept up to date. Don't worry if any new information comes out after your purchase of our JavaScript-Developer-I日本語 study guide. We will inform you by E-mail when we have a new version. With our great efforts, our study materials have been narrowed down and targeted to the examination. So you don't need to worry about wasting your time on useless JavaScript-Developer-I日本語 exam materials information. We can ensure you a pass rate as high as 99%. If you don't pass the {CorpCode} exam, you will get a refund. But this is the worst thing you can imagine. You surely desire the certification. So with a tool as good as our JavaScript-Developer-I日本語 exam material, why not study and practice for just 20 to 30 hours and then pass the examination?

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.

Topics of Salesforce JavaScript Developer I Exam

Aspirants must know the exam topics before they start of preparation. Because it will help them to prepare for the below concepts Salesforce JavaScript-Developer-I exam will include the following topics:

1. Variable, Types, and Collection: 23%

Scenario based coding Variables Creation and Initialization JSON object understanding

2. Object, Functions, and Classes: 25%

Implementation of different functions Understanding of different modules of Javascript Scope of variables and their execution flow

3. Browser and Events: 17%

Handling and propagation of events Development tools of browsers Understanding of browser specific APIs

4. Asynchronous Programming: 13%

Asynchrounous programming different concepts Monitoring and management of different loops

5. Server Side Javascript: 8%

Implementation of Node.js Understanding of Node.js CLI commands

6. Testing: 7%

Unit Testing effectiveness of different tests

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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).

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

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

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