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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.

  • Conversion type (inclusive versus explicit)

  • Classes

  • Modules

  • Item Model Document

  • Discharge

  • Asynchronous Programming

  • Scope of Variables

  • Activities

  • Strings

  • Forms of data and operators

  • Monitor (agnostic platform)

  • Control of Mistake

  • JavaScript on the backend

  • Functions (more functions in higher order)

  • Objects & Arrays: Data Structures

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.

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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).

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

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

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

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