JavaScript-Developer-I Exam Dumps

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Certification Provider:	Salesforce
Exam Code / Number:	JavaScript-Developer-I
Exam Name:	Salesforce Certified JavaScript Developer (JS-Dev-101)
Exam Questions:	149
Last Updated:	Jul 04, 2026
Corresponding Certification:	Salesforce Developer

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Salesforce JavaScript-Developer-I exam focuses on testing a developer's knowledge of JavaScript and how it can be used to build custom applications on the Salesforce platform. This includes topics such as data modeling, user interface development, and integration with other systems. JavaScript-Developer-I exam is designed to be challenging, but it is also highly respected in the industry and can help developers stand out from the competition.

Salesforce JavaScript-Developer-I certification exam is an excellent way for developers to demonstrate their expertise in JavaScript development on the Salesforce platform. With the right preparation and training, developers can successfully pass the exam and earn this valuable certification.

Salesforce JavaScript-Developer-I Exam has been designed by experts in the field to ensure that candidates have the knowledge and skills necessary to develop high-quality applications on the Salesforce platform. JavaScript-Developer-I exam includes a variety of topics, including designing and implementing solutions that use Apex and Visualforce, querying and manipulating data, and developing custom Lightning components. It also covers topics such as security, integration, and deployment.

Salesforce JavaScript-Developer-I Exam Syllabus Topics:

Topic	Details
Topic 1	Browser and Events: The topic will challenge your ability to work with events, event handlers, and the DOM. You will need to demonstrate how to manage event propagation and utilize browser-specific APIs. Additionally, proficiency in using browser developer tools to investigate code behavior will be tested, making it crucial for you to understand browser interactions thoroughly.
Topic 2	Asynchronous Programming: Asynchronous programming is a key concept in JavaScript, and this section tests your understanding of event loops, asynchronous code execution, and handling promises. Salesforce JavaScript programmer will need to demonstrate their ability to implement asynchronous solutions for business requirements.
Topic 3	Objects, Functions, and Classes: In this section, the focus is on applying object-oriented principles, functions, and classes. As a Salesforce JavaScript programmer, you will need to locate optimal function implementations and understand how to structure objects and classes for business solutions. You will also be tested on your ability to use JavaScript modules and decorators, while analyzing variable scope and execution flow.
Topic 4	Testing: In the topic, you will be required to evaluate unit tests and improve them. The exam will assess your ability to identify ineffective tests and modify them to make them more robust and accurate. This topic ensures that you can write and maintain effective tests, a crucial skill for ensuring code quality and reliability in professional environments.

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