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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.
  • Our tutor was fantastic, ran through things at a great pace and you never felt left behind. He was always happy to answer any question we had clearly and concisely. Highly recommend Transmedia!

    The White Company
    November 2025
  • The course was great and the trainer was really helpful.

    Starlizard
    August 2025
  • Great session led by a very thorough and knowledgable leader. Would recommend for anyone wanting to upskill and build on their knowledge. I'm now much more comfortable and knowledgeable in AE.

    Connected Virus
    September 2025
  • Everyone loved the training, even the people with the most experience of Figma got plenty out of it. Our trainer was excellent. So thorough but also managed to make it engaging and with humour.

    Wren Kitchens
    September 2025
  • One of our hard-to-please participants specifically said how much she enjoyed the course and how good her trainer was at explaining everything. No higher praise to be honest!

    288 Group
    November 2025
  • The course is really very good. The instructor is very patient to teach and the method is easy to follow. Good quality of approach to each topic. Thank you so much! I absolutely recommend.

    Fact Not Fiction Films
    September 2025
  • I just wanted to let you know that I've managed to replicate the steps you showed me in FileMaker on my organisation's database. My invoicing layouts now work perfectly. Thank you very much!

    Julian Support
    October 2025
  • I found the course to be very helpful! Also I appreciate you sending over the links.

    Will S
    November 2025
  • Really enjoyed my experience. The office is beautiful, peaceful and just a lovely environment to learn in. My trainer was brilliant, really easy to understand, patient and open to all my questions.

    Daisy Hardman Design Studio
    November 2025
  • Our tutor was very helpful, informative and broke down step by step information on how do do certain things (tools/colours/settings) and creating my own defaults setting. Really enjoyed this course.

    Intellectual Property Office
    November 2025
  • The course was excellent - exactly to my company's needs. All questions were answered and concepts explained very clearly.

    Hannah Griffiths
    August 2025
  • 10/10. Incredible knowledge, AMAZING hints and tips - Tony is a game changer, made everything so simple to understand but taught us so much that will really change the way we present!

    Broadwick Studio
    November 2025
  • Attended a two day basic Premier Pro course with Transmedia. It took my self-taught editing skills to another level altogether. A total must for anyone wanting to fine tune their basic skills.

    Siri B
    November 2025
  • I just wanted to say a huge thank you for my training last week. I thought the course was brilliant. My trainer was excellent and tailored the course perfectly to my needs, as well as making it fun!

    The White Company
    November 2025
  • We have worked with Transmedia for many years now and I can not recommend them highly enough! The work Tony has done with us over the years has changed us as a business. He is a pleasure to work with!

    CIPA
    October 2025
  • Our tutor was fantastic, ran through things at a great pace and you never felt left behind. He was always happy to answer any question we had clearly and concisely. Highly recommend Transmedia!

    The White Company
    November 2025
  • The course was great and the trainer was really helpful.

    Starlizard
    August 2025
  • Great session led by a very thorough and knowledgable leader. Would recommend for anyone wanting to upskill and build on their knowledge. I'm now much more comfortable and knowledgeable in AE.

    Connected Virus
    September 2025
  • Everyone loved the training, even the people with the most experience of Figma got plenty out of it. Our trainer was excellent. So thorough but also managed to make it engaging and with humour.

    Wren Kitchens
    September 2025
  • One of our hard-to-please participants specifically said how much she enjoyed the course and how good her trainer was at explaining everything. No higher praise to be honest!

    288 Group
    November 2025
  • The course is really very good. The instructor is very patient to teach and the method is easy to follow. Good quality of approach to each topic. Thank you so much! I absolutely recommend.

    Fact Not Fiction Films
    September 2025
  • I just wanted to let you know that I've managed to replicate the steps you showed me in FileMaker on my organisation's database. My invoicing layouts now work perfectly. Thank you very much!

    Julian Support
    October 2025
  • I found the course to be very helpful! Also I appreciate you sending over the links.

    Will S
    November 2025
  • Really enjoyed my experience. The office is beautiful, peaceful and just a lovely environment to learn in. My trainer was brilliant, really easy to understand, patient and open to all my questions.

    Daisy Hardman Design Studio
    November 2025
  • Our tutor was very helpful, informative and broke down step by step information on how do do certain things (tools/colours/settings) and creating my own defaults setting. Really enjoyed this course.

    Intellectual Property Office
    November 2025
  • The course was excellent - exactly to my company's needs. All questions were answered and concepts explained very clearly.

    Hannah Griffiths
    August 2025
  • 10/10. Incredible knowledge, AMAZING hints and tips - Tony is a game changer, made everything so simple to understand but taught us so much that will really change the way we present!

    Broadwick Studio
    November 2025
  • Attended a two day basic Premier Pro course with Transmedia. It took my self-taught editing skills to another level altogether. A total must for anyone wanting to fine tune their basic skills.

    Siri B
    November 2025
  • I just wanted to say a huge thank you for my training last week. I thought the course was brilliant. My trainer was excellent and tailored the course perfectly to my needs, as well as making it fun!

    The White Company
    November 2025
  • We have worked with Transmedia for many years now and I can not recommend them highly enough! The work Tony has done with us over the years has changed us as a business. He is a pleasure to work with!

    CIPA
    October 2025

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

Google Reviews

Extremely friendly and helpful. Excellent knowledge and presentation.

Just Digital
July 2025

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.

Book Now

Team Training for Companies

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


Book Now

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Why Transmedia?

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Unlimited Training Support

We offer unlimited training support after your course.

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Worldwide Creative Skills Training

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.