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Instructor details

Meet Your Instructor Adrian Hajdin

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JavaScript Mastery

Be a part of a thriving learning environment with thousands of fellow students.

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Be a part of a thriving learning environment with thousands of fellow students.

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GitNation Speaker

Be a part of a thriving learning environment with thousands of fellow students.

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Take Charge of Your Future in Web Dev

Knowledge Base: Master Tech from Start to Finish! Zero to Hero!

Success stories

Hear from our students

Here's what they have to say about JS Mastery.

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  • Testimonial

    Ahmed Hassan

    I love how the instructor breaks down complex problems . One thing I never thought about was runtime environments so learning about it and the differences between Node.js and Edge runtimes was an eye opener. Also learning how to write proper codes like a senior developer was really helpful

  • Testimonial

    Alvin Kuishinbō

    software developer

    I’ve learned production-level skills that I didn’t gain from my work experience, such as streamlining the flow of functions and server actions. We didn’t do that in my previous company, which is why it was challenging for me to add new features and manage data rendering.

  • Testimonial

    Jeremy McCabe

    The instructor puts a heavy focus on explaining the building block concepts so you understand why you are doing what you are doing. Then all of the coding afterwards just makes more sense. I've watched his free courses on youtube and his teaching style was a big reason I paid for the full course.

  • Testimonial

    Anyars Yussif

    software developer

    When I started with the JSM Pro course, understanding file based routing, dynamic routes, extraction of params, the creation of APIs and handlers have never been this easy. Thanks to Adrian Hajdin for making technical concepts so easy to understand. I am very proud to be part of the JSM family.

  • Testimonial

    Lucas Sousa

    I’ve been following JavaScript Mastery for over 3 years now and it’s been a game-changer. The tutorials are clear, modern, and practical. What I love most is how they break down complex projects into easy steps. The React and Next.js tutorials have helped me create real portfolio projects that have impressed employers.If you want to learn modern web development the right way, this channel is your best bet. The quality of teaching is top-notch and always up to date with the latest technologies.

  • Testimonial

    musawir raji

    software developer

    Adrian should be awarded best tutor of the year, the way he explain every bit of all topic is this course is so great, that it gives me better understanding of nextjs, and getting to truly understand the backend architecture is a plus for me, it used to be one of the most confusing topic since i started web development, now i have confidence to approach any Nextjs project given to me.

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