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JavaScript Mastery

@javascriptmastery

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Agentic Engineering Course is live now, 20% off until Sep 29👇

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NEW VIDEO: Full 10-Hour React Native Course - Build & Deploy 3 Full-Stack Mobile Apps That’ll Get You Hired! 🔥

Becoming a mobile engineer shouldn’t mean wasting weeks choosing a framework, fixing cryptic SDK errors, and following 97-tab rabbit holes.

In this FREE 10-hour course, you’ll skip the chaos and build 3 production-ready mobile apps!

Yes, in ONE video, I'll guide you through a complete learning journey where you begin with the fundamentals and progress to building full-stack applications.

Together, we’ll build:

🎥 Movie App - We'll kick things off with a #ReactNative crash course, where I'll break down what React Native really is, why it's so popular, and how it works under the hood

🏡 Real Estate App - Then, we'll use this knowledge to develop an even more advanced, full-stack, production-ready real estate application.

🍔 Food Delivery App - We'll take things further and get hands-on with developing a food delivery application with production-level cart logic - and we'll even integrate air monitoring and crash tracking for real-world reliability.

You’ll master:

✅ React Native & Expo for cross-platform speed
✅ TypeScript for reliability
✅ NativeWind for responsive styling
✅ Zustand for scalable state management
✅ Appwrite for backend power
✅ Sentry for real-time error tracking

Each project is designed to sharpen your skills, build your confidence, and move you one step closer to getting hired as a mobile developer - all beginner friendly, all in one place!

So, grab your IDE - let’s build something you’ll be proud to show employers ⬇️

Search for 'JavaScript Mastery' on YouTube or click the 🔗 in our bio! by @javascriptmastery

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a year ago

NEW VIDEO: Build 3 FullStack Apps - FREE 12-Hour Course! 🙌

So, you want to become a full-stack developer?

Not just someone who 'knows React'...

...but someone who can actually build polished, production-ready apps that companies love to see in portfolios? 🎉

Then, you're in the right place!

In this FREE 12-hour course, you’ll learn how to build THREE real-world full-stack apps using the latest tools in web dev.

Each project is designed to:

→ Sharpen your skills,
→ Build your confidence, and
→ Move you one step closer to getting hired as a developer

Here's what you'll build:

1️⃣ Movie App - Learn React 19, JSX, hooks, and modern routing while building a trending movie platform

2️⃣ StoreIt - A sleek, full-stack file management app (like Google Drive) with OTP login, uploads, sharing & search

3️⃣ AI Travel Dashboard - Build an admin panel with analytics, bookings, AI-generated trips & customer insights

Tech stack you’ll master:

✅ React 19 + React Router v7
✅ Next.js 15 - server/client rendering, server actions
✅ Tailwind CSS + Shadcn UI
✅ TypeScript - safe, scalable full-stack code
✅ Appwrite - serverless backend
✅ Stripe - seamless payment integration
✅ Syncfusion - beautiful dashboards & charts
✅ Sentry + Vite - monitoring & lightning-fast DX

You're not just watching another tutorial, you're building real, impressive apps with today's best tools! 😱

So, grab your favorite drink, open up your code editor or IDE and let's build your first project!

➡️ Click the 🔗 in our bio or search for 'JavaScript Mastery' on Youtube!

PS In case you are wondering, we got so hyped preparing the GSAP Crash Course + Cocktail Website for you, that we decided to postpone it for a couple of weeks!

It turns out that there’s even more we want to include to make it truly AMAZING for you! 🔥

⭐️ BONUS for JS Mastery PRO members - you can already get started at 'jsmastery.com' - it's available on our Elite plan. by @javascriptmastery

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a year ago

NEW VIDEO: Web Animations Full Course 2025 | Build an Awwwards Website & Master GSAP in Two Hours! 🍹

Think front-end development is dead?

AI and no-code tools taking over? 😭

Think again!

AI can spit out cookie-cutter UIs, but it can’t create interactions that make users stop and say:

"How did you just pull that off?" 🤯

In this FREE crash course, I’ll show you how to bring front-end dev back to life with GSAP - a powerful animation library trusted by top agencies worldwide that recently became FREE.

You’ll learn:

✅ What GSAP is and why it’s a game changer
✅ Pro tips and how to integrate GSAP with React, Vue, Next.js, and more
✅ Hands-on demos and a free cheat sheet for your next jaw-dropping animation!

But theory won't cut it, you'll then practice your skills by building a STUNNING Cocktail landing page with:

⭐️ Scroll-triggered animations and video sync
⭐️ Immersive parallax, and
⭐️ Silky smooth transitions (Yes, the kind you drool over)

And if you'd like to go deeper and become a top 1% GSAP developer - the Ultimate GSAP course is here! 😎

Build a jaw-dropping Grand Theft Auto VI landing page clone with:

✅ Advanced animations
✅ Performance-optimization techniques
✅ And more pro-level effects!

Ready to create web experiences no AI can replace? 🚀

Get started here:

1) FREE GSAP Crash Course with Cocktail Website ➡️ Search for JavaScript Mastery on YouTube or click the 🔗 in our bio!

2) The Ultimate GSAP Pro Course with GTA VI Website (20% off for early-birds!) ➡️ https://jsm.dev/insta-ultimate-gsap

#gsap #webanimation #GTAVI by @javascriptmastery

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a year ago

Most people repeat themselves to Claude every day without knowing there's a better way. 🙌 by @javascriptmastery

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an hour ago

NEW VIDEO: No One Knows How To Read AI Code Anymore | Build a Full Stack Codebase Architecture App 🚀

I don't read the code my agent writes.

Neither do you.

Nobody can read AI code anymore.

Not because it's bad. But because there's too much of it, written too fast, by something that never gets tired.

Now put a team on it. Four people - all shipping with agents - nobody reading anyone's output. Ask that team what breaks if you change a certain file. Nobody knows.

Well, today you're building the thing that fixes that! 🚀

Meet Cartograph.

Point it at a GitHub repo and it turns the entire codebase into a map you can click through.

✅ Select any file and see exactly what breaks if you touch it.
✅ Get an explanation of any module, written from the files it actually connects to, with every filename clickable.
✅ Or just ask it a question - "Where does auth get enforced?" - and watch an agent walk the real graph, step by step, and come back with an answer you can verify.

Tech Stack:
- Next.js and TypeScript
- ts-morph parses the code
- React Flow draws the map
- Clerk runs the teams
- Supabase holds the data
- LangSmith proves the AI isn't lying
- And CodeRabbit reviews the code

Let's go read the code you've been ignoring.

🔗 Visit the ‘JavaScript Mastery’ channel on YouTube to get started! by @javascriptmastery

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a day ago

Upcoming YouTube video! 🔥

Subscribe and hit that bell on YouTube - JavaScript Mastery 🚀 by @javascriptmastery

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2 days ago

The difference between "okay" and "great" Claude Code results is knowing which tool to reach for. 🚀 by @javascriptmastery

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3 days ago

It's the final hour!

➡️ Learn more here: https://jsm.dev/ai 🔥 by @javascriptmastery

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4 days ago

Anyone can prompt Claude Code and get an impressive result in 30 minutes - completely missing what's actually holding it up underneath.

The 85% below is everything that decides whether it survives contact with real users:

✅ What to build
✅ How to structure it
✅ What happens when it fails
✅ What happens when it grows
✅ What happens when another developer opens it in six months(!)

"Write better prompts" doesn't touch the 85%.

This course is the 85%.

Just 2 hours to go until the launch discount and workshop are GONE! 👉 https://jsm.dev/ai by @javascriptmastery

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4 days ago

AI education is broken.

There's an ocean of content on using AI to code. Almost none of it connects into something you can actually run on a real project, from the first commit to the thousandth.

You end up with a pile of tips and no workflow...

The Ultimate AI Engineering Course is different.

Grab 20% off here 👉 https://jsm.dev/ai by @javascriptmastery

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4 days ago

Just 24 hours to go!

Why this course is for you 👇

You'll stop hitting the wall where projects work for 30 minutes, then new features break old ones.

You'll learn to add features to live projects and safely change code you didn't write, not just start new apps.

You'll learn the judgment the free tools can't give you: which skill to use, when the AI is drifting, and how to fix a wrong plan.

Visit this link before it's too late! → jsm.dev/ai 🔥 by @javascriptmastery

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5 days ago

Legacy code bases: You didn't write the code.

It's super old. Parts of it are broken. The conventions are undocumented, and you've just been put on it.

This is where most developers actually live and it's the scenario that almost every other course pretends that it doesn't exist.

I don't.

Learn more here ➡️ https://jsm.dev/ai by @javascriptmastery

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5 days ago