Practical TypeScript Learning with Official Documentation

We will teach you everything from basic concepts to situational test writing methods and advanced testing knowledge so that you can master everything about front-end unit testing.

We teach you the core principles of clean code through easy example code.

This course is perfect for those who want to gain a deeper understanding of JavaScript. It covers the latest JavaScript grammar as of 2020.

This is a course for those starting with TypeScript. The curriculum has been designed so that even those unfamiliar with modern JavaScript syntax can learn easily. Let's learn TypeScript, which may seem difficult, in an easy and fun way from a beginner's perspective 😄

This lecture is for those who want to learn everything from the basics of JavaScript to various applied technologies used in the field, including portfolios, in one lecture, rather than looking for separate lectures on basic JavaScript, applied JavaScript, and portfolios.

This course aims to help even those new to Astro complete a live, deployed blog within one hour. We minimize theoretical explanations and focus on copy-and-paste ready code and step-by-step checkpoints. By the end of the course, 👉 You won't just be someone who "has tried Astro," 👉 You will be someone who "has a blog built with Astro."

Let's develop an SPA with Vanilla JavaScript while learning everything from basic syntax to advanced concepts🔥

The goal is to acquire basic knowledge of React Native for mobile app front-end development. This course is designed to enable non-experts to easily develop native mobile apps by utilizing languages/APIs with low entry barriers.

This is the practical application section of "Introduction to TypeScript - From Basics to Practice". If you haven't taken the introductory course, please start with the introductory section first 😄

Complete a company introduction landing page with hands-on vibe coding. Using Cursor AI + Next.js + TypeScript + TailwindCSS + shadcn/ui + MCP stack, proceed from design to deployment all at once. The key is "fast implementation + SEO foundation that performs well in search engines." 🏁 Course Objectives Landing creation → Performance optimization → SEO implementation → Deployment/Indexing Real-time coding (vibe coding) to immediately check completed sections Direct experience including search indexing 🛠️ Practice Stack Cursor AI, Next.js(App Router), TypeScript TailwindCSS, shadcn/ui, MCP workflow 🔍 SEO Practice Apply SEO optimization MD files provided by instructor Metadata, OG/Twitter cards, robots/sitemap, structured data (JSON-LD) Optional multilingual routing implementation 🎯 Final Product Responsive company introduction landing + contact form Target Lighthouse 95+ Vercel deployment followed by Search Console registration and indexing request 📚 What You'll Learn from This Course How to quickly compose hero/trust/features/FAQ sections Clean UI composition with shadcn/ui Form validation and basic conversion tracking point design Boosting SEO scores with structured data + multilingual routing Understanding the indexing process through Search Console after deployment 💡 Industry Insights (Course Bonus) Beyond just code implementation, we'll briefly cover marketing and exposure methods actually used in the real market. Realistic pricing ranges for advertising, blog posting, and comment work How outsourcing and contracting companies actually proceed with SEO and exposure work Cost/efficiency differences between direct developer participation and outsourcing Through this section, you can develop a sense of how technology is actually utilized in real industry work and what cost structures drive it, beyond just the technical aspects. One-Line Summary Following the flow of "implementation → optimization → deployment → indexing," learn the web creation process that connects to actual search exposure and real industry market structures.

This course is for those who are preparing for a coding test using JavaScript. It is designed to teach step-by-step, from fun basic problems to advanced algorithms.

🔥 Build a customized platform for Hanja learning! Leverage Google Gemini AI and Firestore to directly implement your own Hanja vocabulary book, stroke order animation, and even handwriting recognition!

🔥 From course registration to video uploads, this is a hands-on full-stack course that implements knowledge creator features just like the real thing. Using Next.js 15 and NestJS, you'll build course creation, curriculum composition, thumbnail and video uploads, and detailed description writing following the actual Inflearn workflow, gaining near-professional experience with Prisma modeling, JWT authentication, S3 + CloudFront uploads, Swagger API design, and more.

Firebase's SQL version! You can master the basics of Next.js full-stack development through Supabase!

Learn core data structures and algorithms such as Stack, Queue, Linked List, Sorting, and DFS/BFS by implementing them directly with JavaScript. Solve frequently appearing problem types together to build problem-solving skills essential for coding tests and interviews.

Develop your ability to find the core of a problem and solve it with the 'Top 10 JavaScript Algorithms' that cover the most frequently asked types of problems!

A current startup CTO will share vibe coding knowledge gained through actual services and various outsourcing projects.

We deal with ideas. You can logically organize the core and fundamentals of JavaScript. You can structure your own JavaScript experiences and thoughts. You can establish the technical logic of JavaScript. You can broaden your perspective to see the entirety of JavaScript. You can prepare for JavaScript technical interview questions.

Through this lecture, students can create a web service similar to Instagram using HTML, CSS, and JS. (Only the front-end is implemented! The back-end server construction will be filmed in a later lecture.)

You can gain the ability to implement a chat program in just one hour using Next.js + Cursor IDE.

We develop an avatar-based community app with React Native. You'll learn to build a comprehensive community app, covering post creation, comments/replies, likes, voting, avatar generation, etc.

It contains Node.js's must-know core principles and practical techniques before hands-on front-end/back-end development.