JavaScript with ES6 in a Day
JavaScript with ES6 in a Day by JS Institute equips front-end developers and aspiring web programmers with modern JavaScript skills to build dynamic, interactive websites efficiently. Designed for beginners, it solves the challenge of rapid skill acquisition in high-demand scripting, where 98% of all websites use JavaScript. You’ll gain hands-on proficiency in ES6+ features like arrow functions, template literals, and modules—essential tools for today’s responsive web development.
This course prepares you for the JSE™ – Certified Entry-Level JavaScript Programmer (JSE-40-01) exam, featuring 30 questions, a 70% passing score, and global recognition. Koenig Solutions provides 30-day lab access and official vendor-authorized courseware, ensuring mastery through practice. Earn your certification and unlock roles as a junior developer or frontend engineer with proven, in-demand expertise.
Training Formats & Pricing
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The JavaScript with ES6 in a Day course by JS Institute is designed for aspiring web developers, front-end engineers, and IT professionals seeking a fast-paced introduction to modern JavaScript programming. This intensive one-day training prepares candidates for the JSE™ – Certified Entry-Level JavaScript Programmer (JSE-40-0x) certification exam, covering core syntax, variables, data types, control structures, functions, and ES6+ features like arrow functions, template literals, and destructuring. Targeted at beginners with no prior coding experience, the course serves roles such as junior developer, web designer, and application tester. With JavaScript being used by 97% of websites for client-side logic, demand for foundational JS skills remains high across global tech employers.
Participants engage with key JavaScript technologies including ES6 modules, arrow functions, template literals, destructuring assignment, and callback patterns, all practiced within a browser-based development environment using Chrome DevTools and the JavaScript console. The hands-on lab component emphasizes real-world coding, where students build functional projects such as a To-Do List Manager and a Simple Calculator, applying control flow, functions, and DOM manipulation. Through guided exercises, learners configure and debug scripts directly in the browser, simulating actual development workflows and reinforcing concepts like scope, error handling, and asynchronous callbacks.
This course directly prepares students for the industry-recognized JSE™ certification, which validates entry-level proficiency in JavaScript and is accepted by OpenEDG-accredited institutions worldwide. Certified professionals report an average starting salary increase of 15–20%, with junior developers earning between $55,000 and $75,000 annually. Koenig Solutions enhances learning with its Guaranteed-to-Run schedule and access to official JS Institute courseware, ensuring structured, instructor-led mastery of ES6 fundamentals. Upon completion, graduates are equipped to pursue roles in web development, advance to intermediate JavaScript studies, or transition into full-stack engineering with confidence.
What You'll Learn
Skills You'll Gain
Prerequisites
- Prerequisites for JavaScript with ES6 in a Day by JS Institute include a foundational understanding of HTML5 structure and CSS3 styling. Students must be comfortable navigating a file system and using a modern code editor such as VS Code version 1.80 or higher. A basic grasp of computer programming concepts, specifically the difference between client-side and server-side execution, is required. Participants should also have Node.js LTS installed on their local machine to ensure compatibility with the course environment.
- JavaScript with ES6 in a Day by JS Institute is a practical course designed to quickly elevate your JavaScript skills. You will learn how to set up a professional development environment using browser consoles and debuggers. The curriculum covers fundamental programming concepts, including interpreting and compiling. You will learn how to work with core web technologies, including embedding JavaScript into HTML pages. The course teaches you how to manage JavaScript data types and variable declarations using var, let, and const. You gain hands-on experience with JavaScript operators and control flow statements like if/else and switch. Additionally, the course covers loop constructs and functions, focusing on declaration, parameters, scope, and return values. This training is ideal for beginners aiming to build a strong foundation in JavaScript within a day, setting the stage for more advanced development.
Certification Exam
Everything you need to know about the JavaScript with ES6 in a Day certification exam
Course Curriculum
Structured learning with hands-on labs and real-world scenarios
1
Day 1– JavaScript with ES6 Intensive Bootcamp: Morning Session
1
Day 1– JavaScript with ES6 Intensive Bootcamp: Afternoon Session
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of JavaScript with ES6 in a Day certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the JavaScript with ES6 in a Day certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- JavaScript Developer
- Frontend Developer
- Web Developer
- ES6 Specialist
- Client-Side Engineer
Companies Hiring
and 5,000+ organizations worldwide seeking JavaScript with ES6 in a Day certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
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.”
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.”
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.”
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.”
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.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
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.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
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.”
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.”
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.”
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.”
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.”
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.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
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.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
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.”
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.”
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.”
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.”
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.”
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.”
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.”
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.”
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.”
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.”
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.”
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.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
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.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
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.”
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.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the JavaScript with ES6 in a Day training course
Is the certification exam included in the JavaScript with ES6 in a Day course, and what is the cost if purchased separately?
What training formats are available for JavaScript with ES6 in a Day, and does Koenig offer Guaranteed-to-Run scheduling?
How long is lab access provided for JavaScript with ES6 in a Day, and what type of environment is used?
What is the rescheduling and cancellation policy for the JavaScript with ES6 in a Day course?
What is the format, number of questions, passing score, and time limit for the JSE certification exam after completing JavaScript with ES6 in a Day?
How long is the JSE certification valid after completing JavaScript with ES6 in a Day, and what is the renewal process and cost?
What post-training support does Koenig provide after completing JavaScript with ES6 in a Day?
Are there any prerequisites or prior experience required before taking the JavaScript with ES6 in a Day course?
What career opportunities and salary improvements can one expect after completing JavaScript with ES6 in a Day and earning the JSE certification?
How does instructor-led training for JavaScript with ES6 in a Day compare to self-study in terms of effectiveness and time efficiency?
Still have questions?
Chat with a Training Advisor →Resources
Learn more about JavaScript with ES6 in a Day before you enroll
The Benefits of Earning a JavaScript Certification in the Competitive Job Market
In today’s fast-paced digital economy, the demand for web developers continues to soar, with JavaScript being one of the most widely-used pr…
Read GuideCreating compelling blog content that includes relevant keywords can help you build backlinks and improve your SEO. Here are some blog topics tailored to your Advanced JavaScript with TypeScript training, incorporating your target keywords typescript advanced:
# Mastering Advanced JavaScript with TypeScript: Key Strategies for Modern Web DevelopmentIn the rapidly evolving world of web development,…
Read ArticleCertainly! Creating valuable content that includes your target keywords is a great way to generate backlinks to your course page. Here are some engaging blog topics that incorporate your keywords and are likely to attract readers interested in web development with HTML, CSS, and JavaScript:
Unfortunately, your request includes tasks that are not possible to fulfill as it requires linking to external URLs, which is not supported…
Read ArticleHappiness 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.