The Salesforce Certified JavaScript Developer I certification refers to the developer track that is offered by the vendor. This designation is intended to check the developers’ skills to develop front-end and/or back-end JavaScript apps used for the web stack. The certified professionals should be able to deal with technologies related to JavaScript. One of such is Lightning Web Components. So, this certificate is designed for Salesforce customers, partners, and employees, who have skills in dealing with JavaScript and experience in working with the Lightning Component Framework.
This accreditation can be gained after obtaining the Lightning Web Components Specialist Superbadge and passing the multiple choice exam known as JavaScript Developer I Proctored. You can take them in any sequence and after that, you can become a certified JavaScript Developer.
The candidates for this Salesforce designation are skilled in working with one or more frameworks using the JavaScript language. They also can implement design patterns for programming based on Java, and demonstrate their skills in combining JavaScript with HTML and CSS. In addition, these professionals are qualified enough to use Lightning Web Components to build on Salesforce.
Speaking of the multiple choice exam, it is designed for candidates with at least 1 year of experience in developing either front-end or back-end apps based on JavaScript. They also possess the main JavaScript development skills to deal with technologies related to JavaScript. In addition, they are capable of developing Lightning web components and writing standard JavaScript code. As for the topics tested in the exam, they include variables, types, & collections, browser & events, classes, functions & objects, error handling & debugging, server side JavaScript, asynchronous programming, and testing.
Regarding the Salesforce JavaScript Developer I Multiple-Choice exam details, the test includes 60 multiple choice questions, and 5 of them are not scored. You will be given 105 minutes to complete the items given. To pass the exam, you need to score 65% of the correct answers. Before enrolling in the certification process, you need to pay $200 of the exam fee, while rescheduling of the exam will cost you $100. Besides, this evaluation is proctored and can be taken onsite at a testing center.
As for earning the Lightning Web Components Specialist Superbadge, you should obtain several badges such as Quick Start: Lightning Web Components, Lightning Web Components and Salesforce Data, Lightning Web Components Tests, and Coding for Web Accessibility. Getting this Superbadge proves that you are able to develop Lightning Web Components, utilize Lightning Data Service, implement JavaScript to provide user cooperation. Besides, it testifies that you are competent in troubleshooting components, dealing with custom object data, implementing native Salesforce functionality, and applying external JavaScript in a Lightning web component.
After gaining the Salesforce Certified JavaScript Developer I certification you can apply for various job positions, such as JavaScript programmer, Front end developer, Backend developer, Salesforce developer, Web app developer, Support engineer, Technical Project Manager, UI/UX engineer, among many. According to the PayScale website, having this designation, you can earn about $81,024 per year.