JS Institute Guaranteed-to-Run

Advanced JavaScript with TypeScript Advanced

Advanced JavaScript with TypeScript by JS Institute empowers intermediate developers to master complex programming patterns and scalable architecture. This course bridges the gap between basic scripting and professional application development through modules on interfaces, generics, type guards, and advanced asynchronous patterns. By integrating TypeScript with modern ES6+ features, you gain the precision required for enterprise-level projects. This curriculum prepares you for the JS Institute certification, validating your expertise in high-demand technical environments. Master these essential skills to accelerate your career and qualify for senior-level development roles.

24 Hours (3 Days)
Live Online / Classroom
4+ professionals trained

Training Formats & Pricing

1-on-1 USD 1,650
Dedicated instructor, your schedule Fastest
Public Batch USD 1,150
Group class, fixed schedule Most Popular
Self-Paced USD 199
Recorded sessions, learn anytime Best Value

100% Happiness Guarantee · Free Rescheduling · Secure Payment

Course Overview

The Advanced JavaScript with TypeScript course by JS Institute is designed for developers seeking to master modern JavaScript programming and transition to TypeScript for robust application development. This course prepares candidates for the JSA™ – Certified Associate JavaScript Programmer certification exam, validating skills in object-oriented analysis, design, and advanced function patterns. Ideal for junior front-end developers, back-end developers, and software testers, the program addresses industry demand where 78% of frontend job postings now require TypeScript expertise. As JavaScript remains one of the most widely adopted programming languages, professionals equipped with TypeScript knowledge gain a significant advantage in today’s competitive development landscape.

Students engage with core technologies including TypeScript Compiler (tsc), Visual Studio Code, ESLint, Jest, Webpack, and the Fetch API within the Edube Interactive™ online learning environment. The hands-on labs emphasize real-world application through projects such as building a TypeScript-based E-commerce Product Management System that integrates asynchronous data handling using Promises and async/await. Learners configure type-safe applications, implement error handling utilities, and refactor JavaScript codebases into TypeScript, simulating professional workflows. A key project involves creating an API service that fetches and processes data from the Dummy JSON Products API, demonstrating proficiency in asynchronous operations and object-oriented design patterns.

This course prepares students for the globally recognized JSA™ certification, which is delivered through Pearson VUE and aligned with industry standards for JavaScript proficiency. Certified professionals see tangible career benefits, including a 10–15% salary premium over peers with only JavaScript skills, according to industry compensation data. Koenig Solutions enhances learning with Guaranteed-to-Run scheduling and access to official JS Institute courseware, ensuring uninterrupted preparation. Upon completion, graduates are positioned for roles as full-stack developers, frontend engineers, or TypeScript specialists, ready to contribute to scalable, maintainable codebases in enterprise environments.

What You'll Learn

Implement class-based design using constructors and inheritance to build scalable, maintainable code structures for Advanced JavaScript with TypeScript by JS Institute.
Optimize memory usage and code reusability by leveraging the JavaScript prototype chain to build complex object-oriented architectures.
Build a robust state management system by mastering core JavaScript objects like Array, Map, Set, and JSON to handle complex data structures efficiently.
Reduce application latency by optimizing asynchronous workflows using Promises and async/await for high-performance data processing.
Implement secure, modular code architectures using closures and IIFEs to encapsulate logic and prevent global namespace pollution.
Build a RESTful API client with the Fetch API and advanced error handling to safeguard applications against network vulnerabilities and runtime failures.

Skills You'll Gain

JavaScript Objects JavaScript Functions Prototype Chain ES6 Syntax Arrow Functions Destructuring Assignment Async/Await Promises AJAX Requests TypeScript Compiler TypeScript Interfaces TypeScript Classes TypeScript Generics TypeScript Union Types TypeScript Mapped Types TypeScript Conditional Types TypeScript Configuration

Prerequisites

Recommended knowledge before taking this course
  • Proficiency in these environments is required to support the advanced type inference and module resolution techniques taught in Advanced JavaScript with TypeScript by JS Institute.
  • A solid grasp of web structure and styling is necessary to effectively apply the advanced DOM manipulation patterns covered in this curriculum.
  • Understanding inheritance and encapsulation is essential for mastering the advanced class-based architecture and interface design required for this course.
  • Experience with non-blocking code is critical for implementing the complex data fetching and state management patterns featured in the Advanced JavaScript with TypeScript modules.
  • Command of arrow functions, modules, and destructuring is required to leverage the modern, concise coding standards emphasized throughout the JS Institute program.
Corporate Training
Get a Corporate Quote

Volume discounts · Dedicated account manager · Custom scheduling

Certification Exam

Everything you need to know about the JSE-40-01 Exam certification exam

Exam Details
Exam Name
JSE-40-01 Exam
Exam Cost
$295
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Candidates must purchase a new exam voucher to retake the exam following an unsuccessful attempt.
Let's Talk

Request for more information

Advanced JavaScript with TypeScript

We'll respond within 1 business day · No spam, ever.

Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1
Mastering fundamentals for robust, scalable web application development. Implementing strict: true and noImplicitAny configuration flags to enforce type safety in JS Institute projects. Utilizing Singleton, Factory, and Observer design patterns to streamline complex code architecture. Optimizing data structures and algorithms to improve application performance by up to 20 percent.
2
Day 2
Leveraging generics to create reusable, type-safe components efficiently. Applying Strategy, Decorator, and Command patterns to solve recurring software engineering challenges. Managing asynchronous workflows using advanced promises and async-await patterns for seamless user experiences. Debugging complex TypeScript environments to reduce production errors and accelerate development deployment cycles.
3
Day 3
Integrating codebases into Webpack, Vite, or esbuild pipelines for enterprise-grade automation workflows. Deploying secure, type-checked modular codebases that meet rigorous JS Institute certification requirements. Refactoring legacy JavaScript applications into maintainable TypeScript solutions to enhance long-term project scalability. Executing final performance audits to ensure your code meets industry benchmarks for Advanced JavaScript with TypeScript by JS Institute.

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Hands-On Lab

Live Lab Sandbox

Real Environment

Practice in a real lab environment with full access to the tools and services covered in the course.

30+ Guided Labs

30+

Step-by-step lab exercises designed to reinforce each module with practical, hands-on tasks.

Lab Manual Included

Full Guide

Comprehensive lab guide with detailed instructions, screenshots, and troubleshooting tips.

Post-Training Access

30 Days

30 days of extended lab access after your training ends so you can continue practicing.

Meet Your Instructor

👤
Nishant Harshwardhan
10+
Years Exp.
5,000+
Students
4.9
Avg Rating

Total Experience: 5+ years


Associated with Koenig since JAN 2016


Domain: Web & Mobile Technology | Security


Key Competencies: Front-end and Back-end Web Development


 

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

18,400+
Verified Reviews
4.9 / 5
Average Rating
95%
Would Recommend
1M+
Professionals Trained
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
100%

Happiness Guarantee

We are so confident in the quality of our training that we offer a full money-back guarantee. Not satisfied? Contact us within 24 hours of your first session — we'll refund you completely, no questions asked.

Full Refund

Within 24 hours

No Questions

Asked ever

Secure Payment

Encrypted checkout

PCI DSS

Compliant