JSE-40-01 - JavaScript Certification Practice Tests - 2026

Welcome to my JSE 40-01 - JavaScript Certification Practice Tests course.

This course includes six practice tests, with 247 unique questions, that will help you pass the JSE (Certified Entry-Level JavaScript Programmer) certification exam, and with which you can test your fundamental knowledge of the JavaScript programming language.

I am a professional teacher with years of experience in the field of Information Technology. I am also a certified JSE developer. You can check my credentials with the codes below on the OpenEDG certificate verification page:

JSE code: QL6i.BjGP.DHDf

Course highlights

• The tests cover all topics from the JSE 40-01 certification exam

• Each question is accompanied by a detailed explanation of the answer and links to additional online resources with which you can learn more about the topic covered

• In the explanations, the "Try the code in your favorite JavaScript IDE" section allows you to freely test the question code

• You can download the code for all questions (you will find the download link on the description page introducing each test)

• Each question has a unique identifier code

Practice tests information

• Number of tests: 6

• Number of questions per test: 40+ (247 unique questions in total)

• Duration: 60 minutes per test

• Minimum score to pass a test: 70%

JSE: certification Information

• JavaScript is one of the most popular programming languages in the world. JavaScript is simple and powerful. It is primarily used to add interactivity to web pages and to create rich web applications.

• JSE is a certification from the JS Institute. It's a professional credential attesting to knowledge of the fundamental elements of JavaScript programming.

• The JSE certification is an essential first step in starting your career as a professional JavaScript programmer.

JSE: exam Information

• Exam name: JSE – Certified Entry-Level JavaScript Programmer

• Exam Code: JSE-40-01

• Prerequisites: None

• Validity: Lifetime

• Duration: 40 minutes

• Number of Questions: 30

• Format: single-selection and multiple-selection items   

• Passing Score: 70%

• Languages: English

• Full Exam Price: USD 59

• Delivery Channel: OpenEDG Testing Service

JSE: topics of the exam

• Basics of JavaScript and Computer Programming - (8%)

• Variables, Data Types, and Type Casting - (20%)

• Operators and User Interaction - (18%)

• Control Flow – Conditional Execution and Loops - (21%)

• Functions - (21%)

• Errors, exceptions, debugging, and troubleshooting - (12%)