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Generiss Academy

JavaScript Programming
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JavaScript Essentials 2 (JSE2)

Through browser-based interactive coding labs and real-world project scenarios, you will learn to model complex real-world problems using prototype and ... Show more
Instructor
Helen Nneka
30 Students enrolled
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JavaScript Essentials 2 (JSE2)
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Welcome to JavaScript Essentials 2 (JSE2), an intermediate, self-paced course delivered in official educational partnership with the OpenEDG JS Institute and edube.com. Building on foundational script execution, this course equips you with the advanced object-oriented programming (OOP) principles and asynchronous techniques required to architect scalable, production-grade web applications.

Through browser-based interactive coding labs and real-world project scenarios, you will learn to model complex real-world problems using prototype and class-based structures, optimize memory usage, and handle non-blocking asynchronous data pipelines. Designed as the follow-up to JavaScript Essentials 1, JSE2 aligns directly with the JSA – Certified Associate JavaScript Programmer certification exam.

Module 1
Module 2
Module 3
Module 4
What is JavaScript Essentials 2 (JSE2)?
JSE2 is an intermediate programming course created by the OpenEDG JS Institute and hosted on edube.com that focuses on Object-Oriented Programming (OOP), asynchronous execution, closures, generators, and advanced built-in objects.
Do I need to finish JavaScript Essentials 1 before taking JSE2?
Yes, unless you already have a solid command of basic JavaScript syntax, primitive types, loops, arrays, and elementary functions.
Which certification exam does this course prepare me for?
The course aligns directly with the JSA – Certified Associate JavaScript Programmer certification exam.
Will I learn how to handle asynchronous operations like API calls?
Yes! The course covers callbacks, Promises, and async/await patterns for writing clean, non-blocking code.
Does JSE2 teach both class-based and prototype-based OOP?
Yes. You will explore classless prototype inheritance, factory functions, constructor functions, as well as modern ES6 class syntax, getters/setters, and static members.
Do I need to install Node.js or local developer tools?
No. Every exercise, code lab, and module assessment runs seamlessly inside your browser using the Edube Interactive Sandbox.
Is an official certification discount code provided?
Yes, enrolling in the Pro track provides an official 20% discount code toward your JSA certification exam voucher.
How long do I have access to the course content?
Enrolling grants you 12 months of full access to all reading modules, interactive sandbox labs, and practice quizzes.

Basic Info

  • Course Code: JSE2 / JSA-41-01
  • Sponsoring Body: OpenEDG JS Institute & edube.com
  • Target Certification: JSA – Certified Associate JavaScript Programmer
  • Format: Online, Self-Paced with Interactive Browser Sandbox
  • Learning Assets: 4 Modules, Interactive Code Labs, Quizzes, & Certification Prep Tests
  • Inclusions: Official Diploma of Course Completion & Discount Voucher toward the JSA Exam

Career Paths, Roles, and Opportunities

Mastering intermediate and associate-level JavaScript concepts unlocks job opportunities across modern web, mobile, and backend development teams.

Potential Career Paths:

  • Front-End Engineering: Building complex client-side applications, state management models, and asynchronous API integrations.
  • Full-Stack / Node.js Development: Writing non-blocking asynchronous server utilities and object-oriented backend microservices.
  • Web Application Architecture: Structuring scalable class hierarchies, design patterns, and custom JavaScript modules.

Associate Job Roles:

  • Associate JavaScript Developer
  • Junior Full-Stack Engineer
  • Front-End Web Engineer
  • QA Automation Engineer (JS focus)

Current Salaries (UK & US)

Gaining JSA-aligned skills significantly accelerates career advancement and earning potential across global tech markets.

United Kingdom (UK)

  • Associate JavaScript Developer £38,000 – £52,000
  • Mid-Level Front-End Engineer £52,000 – £70,000
  • Full-Stack JavaScript Engineer £58,000 – £78,000

United States (US)

  • Associate JavaScript Developer $75,000 – $96,000
  • Mid-Level Front-End Developer $92,000 – $122,000
  • Full-Stack Software Engineer $105,000 – $135,000
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Course details
Duration 50 to 60 total study hours
Lectures 4
Level Foundation
Certificate Awarded
I yr
All
Course requirements
  • Completion of JavaScript Essentials 1 (JSE1), holding the JSE certification, or equivalent practical experience with fundamental JavaScript syntax (loops, conditionals, basic functions, arrays).
  • Logical Foundation: Understanding of procedural execution and basic software debugging.
  • Hardware & Software: Any laptop, desktop, or tablet running a modern web browser—all code executes inside the Edube Interactive Sandbox.
Intended audience
  • Intermediate Web Developers: Coders ready to advance beyond basic scripts to design enterprise-grade, object-oriented applications.
  • Aspiring Full-Stack & Front-End Engineers: Developers building the core asynchronous and object-oriented skills needed for frameworks like React, Angular, Vue, and Node.js.
  • QA Automation Testers: Software testers who need to write advanced assertions, handle asynchronous promises, and work with complex JSON objects.
  • Certification Candidates: Learners preparing to earn the globally recognized OpenEDG JSA credential.