Salesforce Javascript Developer I
Certification Information
The Javascript Developer I Certification is a credential developed for Salesforce professionals who have knowledge, skills, and experience implementing front-end and/or back-end JavaScript solutions on the Salesforce platform or the web stack in general, and are looking to verify their expertise to further advance their career in this department.
Key Facts
The exam is made up of 60 multiple choice questions
105 minutes to complete
The passing score is 65%
There are no prerequisites
Cost is USD $200 and the retake fee is is USD $100 if you are unsuccessful
This information will assist you if you’re interested in becoming Javascript Developer I certified and includes an overview of the core topics in the exam.
There are 7 areas of knowledge that are covered by the Salesforce Javascript Developer I certification.
They are covered by the Javascript Developer I training, but if you are not able to attend, then you will need to ensure you know the areas listed below well.
Objective | Weighting |
---|---|
Variables, Types, and Collections | 23% |
Objects, Functions, and Classes | 25% |
Browser and Events | 17% |
Debugging and Error Handling | 7% |
Asynchronous Programming | 13% |
Server Side JavaScript | 8% |
Testing | 7% |

Javascript Developer I Topic Weighting Chart
Javascript Developer I
Certification Contents
The following are the core topic areas of the Javascript Developer I certification and what you’re expected to know:
Variables, Types, and Collections
The Variables, Types, and Collections is one of the core topic areas in the exam. After going through this study, you should be able to confidently write code that is appropriate for each given scenario. This section consists of 6 main objectives, all of which are extensively covered in our course as listed below:

Objects, Functions, and Classes
WWith this specific section, your mastery on the following objectives will be the focus of our study & exercises:

Browser and Events
Objectives of this section consists of:

Debugging and Error Handling
In Debugging and Error Handling, we focus on 2 main objectives. You will learn how to maneuver the following scenarios:

Asynchronous Programming
Asychronous Programming objectives are:

Server Side JavaScript
This area thoroughly covers 4 main objectives:

Testing
This section takes up 7% of the certification, and tackles a single objective:

To prepare successfully for the certification exam, we recommend to work through our
Javascript Developer I Study Guide and Javascript Developer I Practice Exams
Javascript Developer I
Study Guide
Every topic objective explained thoroughly.
The most efficient way to study the key concepts in the exam.
Javascript Developer I
Practice Exams
Test yourself with complete practice exams or focus on a particular topic with the topic exams. Find out if you are ready for the exam.
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