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Exam Details for Javascript-Developer-I Salesforce Certified JavaScript Developer I:

Exam Specification:

- Number of Questions: The test typically consists of multiple-choice questions- with a total of approximately 60 questions.

- Time Limit: The total time allocated for the test is usually 90 minutes.

- Passing Score: The passing score for the test varies- but it is generally set around 65% or higher.

- test Format: The test is usually conducted in a proctored environment- either in-person or online.

Course Outline:

The Salesforce Certified JavaScript Developer I course covers the following key areas:

1. Introduction to JavaScript:

- JavaScript basics- syntax- and data types

- Variables- operators- and control structures

- Functions- arrays- and objects in JavaScript

- Working with DOM (Document Object Model)

- Handling events and event-driven programming

2. JavaScript in Salesforce:

- Overview of JavaScript in the Salesforce platform

- JavaScript buttons and links in Salesforce

- Customizing page layouts using JavaScript

- Client-side validation and form manipulation

- Working with Visualforce pages and components

3. Advanced JavaScript Concepts:

- Error handling and debugging techniques

- Asynchronous programming with JavaScript (promises- async/await)

- Manipulating JSON data and working with APIs

- JavaScript frameworks and libraries (e.g.- jQuery- Angular- React)

- Performance optimization and best practices

4. Security and Governance:

- JavaScript security considerations

- Preventing common vulnerabilities (e.g.- Cross-Site Scripting)

- Accessing Salesforce data securely with JavaScript

- Implementing security policies and practices

Exam Objectives:

The objectives of the Javascript-Developer-I test are to assess the candidate's understanding of the following:

1. JavaScript fundamentals and syntax.

2. JavaScript usage in the Salesforce platform.

3. Advanced JavaScript concepts and techniques.

4. JavaScript security considerations.

5. Best practices for JavaScript development in Salesforce.

Exam Syllabus:

The test syllabus for Javascript-Developer-I includes the following topics:

1. Introduction to JavaScript

2. JavaScript in Salesforce

3. Advanced JavaScript Concepts

4. Security and Governance

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Javascript-Developer-I PDF MCQs

PDF Questions and Answers	: 1518 (Complete Set)
File Format	: PDF
Latest Update	: March 17, 2026
Files Delivery	: Instant (5 to 10 min.)
Compatibility	: All Desktop and Mobile Devices
Delivery Method	: obtain Account
Sample Download	: Javascript-Developer-I test PDF

Becoming a proficient developer in the Salesforce ecosystem requires a deep understanding of core JavaScript, and the Salesforce Certified JavaScript Developer I test is designed to validate exactly that. This certification is unique because it focuses primarily on platform-agnostic JavaScript skills that are essential for building modern web applications, including those using Lightning Web Components. Candidates are expected to master a wide range of topics, such as variable scoping with let and const, type coercion, and complex data manipulation using array methods like map and filter. Beyond basic syntax, the test delves into sophisticated concepts like prototypal inheritance, the execution context of arrow functions, and the intricacies of the event loop. Mastering the Document Object Model (DOM) and browser-specific APIs is also vital, as these form the foundation for creating interactive and high-performance user interfaces.

MCQs Cover the Following Domains
Number	Section	Weight
01	Variables, Types, and Collections	23%
02	Objects, Functions, and Classes	25%
03	Browser and Events	17%
04	Debugging and Error Handling	07%
05	Asynchronous Programming	13%
06	Server-Side JavaScript	08%
07	Testing	07%

Preparing for the Javascript-Developer-I exam requires not only understanding the test syllabus but also practicing with realistic exam-style questions. Our Salesforce Certified JavaScript Developer I test questions and practice tests help candidates review key concepts and familiarize themselves with the format and difficulty of exams.

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Online Test Engine Questions	: 1518
Testing Limit	: Unlimited
Access Type	: Online
Latest Update	: March 17, 2026
Access Activation	: Instant (5 to 10 min.)
Supported OS	: Mac, Windows, Android, iPhone / iPad, Linux
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Desktop Test Engine Questions	: 1518
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