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Elevate your JavaScript skills. Learn from experts to master advanced techniques, optimise code and create web applications to professional standards.

2 day course     10am - 5pm     Live Online or Classroom-based

What you will learn

  • Exploring advanced JavaScript techniques and design patterns, enabling you to build robust, scalable web applications.
  • How to work with asynchronous JavaScript, Promises and AJAX, empowering you to handle complex interactions efficiently.
  • Understanding data structures, algorithms and DOM manipulation, helping you optimise code and improve application performance.
  • How to use frameworks and libraries like React or Angular, enabling you to develop sophisticated user interfaces and single-page applications.
  • Exploring testing, debugging and deployment strategies, helping you deliver high-quality, reliable web applications.
  • How to integrate with backend systems and APIs, enabling you to create full-stack solutions and connect to external data sources.
  • Understanding security best practices and performance optimisation, helping you build secure, fast and user-friendly web experiences.
  • Thank you very much for the Advanced Figma course. We really enjoyed it. Please pass on our thanks to the trainer for a great day!

    May 2026
  • The Premier introductory course has really helped me learn how to do things properly. I was previously self-taught, but now I can correct all the bad mistakes I was making so I will be more efficient.

    MAF UK
    February 2026
  • Everyone loved the training, another successful couple of days. Our trainer was an absolute dream. He makes everything so straightforward.

    Wren Kitchens
    February 2026
  • The training was awesome! My tutor was very professional and fun. I really enjoyed the two sessions. Thank you very much!

    CTBTO
    May 2026
  • I have used Transmedia since 2010 to upskill my practical skills with video and still-image editing. The training sessions are well structured and the support fantastic.

    FSL Aerospace Ltd
    May 2026
  • Very very good training at a perfect pace, presenter was very clear and had a very nice tone and lovely way of delivering training. Would definitely recommend. 10/10.

    Broadwick Studio
    February 2026
  • I found it so easy to understand and it was so beneficial. The way our trainer went through everything made the course so easy to pick up and absorb all of the handy tricks and information.

    Wren Kitchens
    February 2026
  • Awesome training! Our trainer was a really great facilitator. Also very much looking forward to going through the available further learning resources and being able to contact Transmedia when needed!

    Cancer Research
    May 2026
  • We use Transmedia all the time and this course was as good as always. Lee is a wonderful trainer, very patient and answered all my extra questions. Thank you!

    Ogilvy
    May 2026
  • I came away full of knowledge and confidence. A thoroughly enjoyable course ran by a very experienced tutor who made me feel at ease from the get go. I will be booking more courses in the near future.

    Leah P
    May 2026
  • The trainer was an excellent and made everything very interesting.

    Microbiology Society
    May 2026
  • I really enjoyed my course with Transmedia. The team were super friendly, knowledgeable and Lee was happy to adjust the course to suit our specific needs. The Transmedia studio is also a delight!

    National Gallery
    April 2026
  • Great Figma intro course. Nice pace and mix of prepared instruction and ad hoc questions, working steadily through all the features. Kensal Rise is a lovely place for it too!

    Kirk M
    April 2026
  • Lee, our instructor, was really helpful in explaining and by the end of the second day, I was excited to start making my own videos. Transmedia comes highly recommended!

    Harriet B
    April 2026
  • Great introduction to Photoshop from Transmedia. Addressed our needs and the very knowledgeable instructor managed to break everything down for even a novice like me! Highly recommend.

    Charlotte C
    June 2026
  • Thank you very much for the Advanced Figma course. We really enjoyed it. Please pass on our thanks to the trainer for a great day!

    May 2026
  • The Premier introductory course has really helped me learn how to do things properly. I was previously self-taught, but now I can correct all the bad mistakes I was making so I will be more efficient.

    MAF UK
    February 2026
  • Everyone loved the training, another successful couple of days. Our trainer was an absolute dream. He makes everything so straightforward.

    Wren Kitchens
    February 2026
  • The training was awesome! My tutor was very professional and fun. I really enjoyed the two sessions. Thank you very much!

    CTBTO
    May 2026
  • I have used Transmedia since 2010 to upskill my practical skills with video and still-image editing. The training sessions are well structured and the support fantastic.

    FSL Aerospace Ltd
    May 2026
  • Very very good training at a perfect pace, presenter was very clear and had a very nice tone and lovely way of delivering training. Would definitely recommend. 10/10.

    Broadwick Studio
    February 2026
  • I found it so easy to understand and it was so beneficial. The way our trainer went through everything made the course so easy to pick up and absorb all of the handy tricks and information.

    Wren Kitchens
    February 2026
  • Awesome training! Our trainer was a really great facilitator. Also very much looking forward to going through the available further learning resources and being able to contact Transmedia when needed!

    Cancer Research
    May 2026
  • We use Transmedia all the time and this course was as good as always. Lee is a wonderful trainer, very patient and answered all my extra questions. Thank you!

    Ogilvy
    May 2026
  • I came away full of knowledge and confidence. A thoroughly enjoyable course ran by a very experienced tutor who made me feel at ease from the get go. I will be booking more courses in the near future.

    Leah P
    May 2026
  • The trainer was an excellent and made everything very interesting.

    Microbiology Society
    May 2026
  • I really enjoyed my course with Transmedia. The team were super friendly, knowledgeable and Lee was happy to adjust the course to suit our specific needs. The Transmedia studio is also a delight!

    National Gallery
    April 2026
  • Great Figma intro course. Nice pace and mix of prepared instruction and ad hoc questions, working steadily through all the features. Kensal Rise is a lovely place for it too!

    Kirk M
    April 2026
  • Lee, our instructor, was really helpful in explaining and by the end of the second day, I was excited to start making my own videos. Transmedia comes highly recommended!

    Harriet B
    April 2026
  • Great introduction to Photoshop from Transmedia. Addressed our needs and the very knowledgeable instructor managed to break everything down for even a novice like me! Highly recommend.

    Charlotte C
    June 2026

This JavaScript Advanced course includes

  • bullet point icon Authorised Certificate
  • bullet point icon Lifetime support after your course
  • bullet point icon Course materials
  • bullet point icon Live Instructor-led training
  • bullet point icon Refreshments all day
  • bullet point icon Latest Mac or PC ready to go
  • bullet point icon Authorised Trainers
  • bullet point icon Hands-on exercises

Book this course

We offer JavaScript Advanced as a private course.

You can select a date which suits you or your team.

The course content can be fully customised to your exact learning requirements.

Request dates

Video success stories

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Course Outline for JavaScript Advanced

Mastering the Document Object Model (DOM)

  • Exploring advanced DOM manipulation techniques
  • Implementing cross-browser compatible solutions
  • Utilising unobtrusive JavaScript for enhanced performance and maintainability

Using Cookies for Enhanced User Experience

  • Implementing cookies for persistent data storage
  • Creating and managing multiple cookies efficiently
  • Exploring alternatives to cookies (localStorage, sessionStorage)

Optimising User Information Gathering

  • Implementing browser detection and feature checking
  • Utilising modern APIs for device information and capabilities
  • Adapting content and functionality based on user environment

Better Web Interactivity with Dynamic HTML (DHTML)

  • Integrating JavaScript with CSS for dynamic styling
  • Implementing smooth animations and transitions
  • Creating responsive layouts with JavaScript and CSS

Debugging and Performance Optimisation

  • Mastering browser developer tools for efficient debugging
  • Implementing error handling and logging strategies
  • Optimising JavaScript performance through code profiling and analysis

Exploring Modern JavaScript Features

  • Leveraging ES6+ syntax for cleaner, more efficient code
  • Implementing async/await for improved asynchronous programming
  • Utilising modules for better code organisation and reusability

Implementing Advanced Design Patterns

  • Exploring and applying common JavaScript design patterns
  • Implementing functional programming concepts in JavaScript
  • Utilising object-oriented programming techniques effectively

Enhancing Security in JavaScript Applications

  • Implementing best practices for secure coding
  • Mitigating common security vulnerabilities (XSS, CSRF)
  • Exploring modern authentication and authorisation techniques

Integrating with APIs and External Services

  • Implementing RESTful API interactions using Fetch API
  • Exploring GraphQL for flexible data querying
  • Leveraging WebSockets for real-time communication

Optimising for Modern Web Development

  • Implementing progressive web app (PWA) concepts
  • Exploring serverless architecture with JavaScript
  • Leveraging modern build tools and module bundlers (Webpack, Rollup)
Show more

FAQs about the JavaScript Advanced course

Is this JavaScript Advanced course suitable for me?

This course is designed for people who have experience in JavaScript or have already attended one of our JavaScript training courses or who would like to further their knowledge of best practice in the use of JavaScript. If you are have any questions about whether the course could meet your needs, please speak to our customer service team. They will be delighted to advise you.

Will I receive a certificate upon completion of my JavaScript Advanced course?

Yes, you'll receive a certificate of completion from Transmedia, demonstrating your knowledge and attendance on our JavaScript Advanced course. Our certificates note our Authorised Training Centre status.

How is the content taught throughout the JavaScript Advanced course?

Our JavaScript Advanced course is extremely interactive. You will be using JavaScript throughout the day, working through examples and live projects under the guidance of our trainer, who will be supporting you through each step.

What is the recommended number of people for the class when I attend the JavaScript Advanced course?

For private classes in JavaScript Advanced, we recommend a maximum of 8 to 10 people from the same company in the class. Please ask our customer service team to help you find the right balance of people per class and the number of days training you need.

Should I attend the JavaScript Advanced course in person or live online?

For in-person courses at our London training centre, you will receive a warm personal welcome, your choice of the latest Mac or PC and morning and afternoon refreshments. If you prefer to attend remotely, rest assured that you will be taught live by the same experts that deliver our in-person courses, covering the same training content, using the same exercises and materials. A second monitor is recommended but not essential.

What support is available after I attend the JavaScript Advanced course?

We offer ongoing support to our JavaScript Advanced course attendees through email and by arrangement, phone calls. You are welcome to ask any questions on topics covered during training. Our trainer will always do their best to explain principles and help you with any issues you encounter.

JavaScript Advanced — Team and Bespoke Training

Booking a private training session allows you to focus on your exact needs on dates that work best for you or your team.

  • Sessions can be run online or in person, on your site or at our London training centre.
  • We manage training for many of the UK’s largest companies, taking care of all the admin, working with you to ensure the perfect course.
  • Our expert trainers will first understand your requirements and then tailor each session to your exact specification.
  • We offer a free consultation service to work out every detail of your course.

Prices for bespoke sessions with our expert trainers start at £595 + VAT, depending on the course and number of people.
Costs include all preparation time to customise the course to your exact requirements.

Private One-to-One Training

One-to-one tuition tailored to your exact requirements. Your choice of duration, dates and content.

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Team Training for Companies

Group bookings provide you with the most cost-effective way to train your team.


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We offer unlimited training support after your course.

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Join our authorised training courses live online from anywhere in the world.

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Authorised Training Professionals

Our experts are accredited by Adobe, Apple and Claris and bring years of experience and real-world expertise.