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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.
  • Just wanted to thank you for organising our training – our trainer was really brilliant and helpful, and the team will find the training really beneficial. Please pass on a massive thanks to everyone!

    The Event Umbrella
    August 2025
  • Having used the program before I was surprised at how much I learned over the 2 day course. Lots of helpful skills and tips to improve workflow and collaboration. Cheers to our trainer!

    Stepstone Group
    September 2025
  • Probably the best course I have been on. Very thorough and entertaining.

    Cancer Research UK
    August 2025
  • We had a brilliant day yesterday. Our trainer was especially great at making the material bespoke to our needs. Thanks for catering to our needs, yesterday was a great day of learning!

    Agile Business Consortium
    August 2025
  • Very informative course.

    Debbie S
    September 2025
  • We did the intermediate Photoshop course and it was amazing! I learned so much and the teacher even took into account what we needed Photoshop for, to put the lessons into context. Highly recommended.

    Future PLC
    September 2025
  • The course was very informative and had a lot of useful tips/tricks. Very happy with the course and would definitely use Transmedia again.

    Ogilvy
    August 2025
  • Lee made it really easy to follow his instructions, going at a good pace for me to keep up and was able to answer any questions. I feel much more confident after completing the two days. Thanks!

    August 2025
  • First bit of initial feedback from the course last week was good. Thank you very much to our trainer!

    Hampshire Police
    August 2025
  • Extremely good. Very knowledgeable, helpful and approachable.

    Hachette
    August 2025
  • This has been a fantastic course - really insightful and engaging and so much fun! Our trainer was excellent and I'm excited to get creating on Photoshop!

    Art Against Knives
    August 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
    September 2025
  • If you're wondering whether to book a course with this company then DO IT! I was able to learn how to use a design software application in just two days and feel very confident in it now.

    Department for Business and Trade
    August 2025
  • The course was extremely useful for me. Our trainer was extremely easy to follow and very attentive when I was stuck. It's a very welcoming training venue and the staff are very nice. Thank you!

    Lego Systems
    August 2025
  • The course was excellent - exactly to my company's needs. All questions were answered and concepts explained very clearly.

    Hannah Griffiths
    September 2025
  • Just wanted to thank you for organising our training – our trainer was really brilliant and helpful, and the team will find the training really beneficial. Please pass on a massive thanks to everyone!

    The Event Umbrella
    August 2025
  • Having used the program before I was surprised at how much I learned over the 2 day course. Lots of helpful skills and tips to improve workflow and collaboration. Cheers to our trainer!

    Stepstone Group
    September 2025
  • Probably the best course I have been on. Very thorough and entertaining.

    Cancer Research UK
    August 2025
  • We had a brilliant day yesterday. Our trainer was especially great at making the material bespoke to our needs. Thanks for catering to our needs, yesterday was a great day of learning!

    Agile Business Consortium
    August 2025
  • Very informative course.

    Debbie S
    September 2025
  • We did the intermediate Photoshop course and it was amazing! I learned so much and the teacher even took into account what we needed Photoshop for, to put the lessons into context. Highly recommended.

    Future PLC
    September 2025
  • The course was very informative and had a lot of useful tips/tricks. Very happy with the course and would definitely use Transmedia again.

    Ogilvy
    August 2025
  • Lee made it really easy to follow his instructions, going at a good pace for me to keep up and was able to answer any questions. I feel much more confident after completing the two days. Thanks!

    August 2025
  • First bit of initial feedback from the course last week was good. Thank you very much to our trainer!

    Hampshire Police
    August 2025
  • Extremely good. Very knowledgeable, helpful and approachable.

    Hachette
    August 2025
  • This has been a fantastic course - really insightful and engaging and so much fun! Our trainer was excellent and I'm excited to get creating on Photoshop!

    Art Against Knives
    August 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
    September 2025
  • If you're wondering whether to book a course with this company then DO IT! I was able to learn how to use a design software application in just two days and feel very confident in it now.

    Department for Business and Trade
    August 2025
  • The course was extremely useful for me. Our trainer was extremely easy to follow and very attentive when I was stuck. It's a very welcoming training venue and the staff are very nice. Thank you!

    Lego Systems
    August 2025
  • The course was excellent - exactly to my company's needs. All questions were answered and concepts explained very clearly.

    Hannah Griffiths
    September 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

Very in depth training, extremely useful tips! Can't wait to put them into practice! Thank you so much!

Charlotte E
August 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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Bespoke Training Solutions

Customised training and software solutions based on your exact requirements.

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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.