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What is the duration, language, and format of Salesforce JavaScript-Developer-I Exam
- This exam consists of 60 questions
- Passing score 65%
- The type of questions is Multiple Choice and situation-based questions.
- There is a time limit of 105 minutes for the exam.
- This exam is offered in only English.
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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).
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.
Asynchronous Programming
Discharge
Objects & Arrays: Data Structures
Modules
JavaScript on the backend
Item Model Document
Forms of data and operators
Functions (more functions in higher order)
Scope of Variables
Monitor (agnostic platform)
Strings
Activities
Control of Mistake
Conversion type (inclusive versus explicit)
Classes
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.
Reference: https://trailheadacademy.salesforce.com/certificate/exam-javascript-dev---JS-Dev-101
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Who should take the Salesforce JavaScript-Developer-I Exam
This course is designed for Javascript developers starting on the Salesforce platform who require programming customizations on front-end and back-end. There are no prerequisites for Salesforce JavaScript Developer I Exam. Typical job roles that align to the Salesforce Certified JavaScript Developer I are as follows:
- Support engineer
- Technical Project Manager
- Software/backend developer
- UI/UX Engineer
- JavaScript programmer
- Salesforce developer
- Front end developer
- Full stack developer
- Web application developer
- Technical Product Manager
Salesforce JavaScript-Developer-I Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Testing | 7% | - Unit testing concepts - Code coverage and best practices - Testing frameworks and assertions - Test doubles and mocks |
| Topic 2: Server-Side JavaScript | 8% | - Node.js fundamentals and runtime - Module system and require/import - Core Node.js modules - Command-line tools and scripts |
| Topic 3: Browsers and Events | 17% | - Event handling, propagation, and delegation - Browser APIs and Web Storage - Window and document object properties - Document Object Model (DOM) manipulation - Script loading and execution order |
| Topic 4: Objects, Functions, and Classes | 25% | - Object creation, properties, and methods - Class syntax, inheritance, and prototypes - Decorators and advanced function patterns - Closures and execution context - Modules and imports/exports - Function definitions, parameters, and scope |
| Topic 5: Debugging and Error Handling | 7% | - Console methods and logging - Debugging tools and breakpoints - Error types and exception handling - Defensive programming practices |
| Topic 6: Variables, Types, and Collections | 23% | - Working with strings, numbers, dates, and booleans - Truthy and falsy values - Variable declaration and initialization - Array methods and data manipulation - JSON parsing and usage - Type coercion and conversion rules |
| Topic 7: Asynchronous Programming | 13% | - Promises and chaining - Event loop and micro/macro tasks - Callbacks and callback hell - Async/await syntax - Fetch API and HTTP requests |
