04- JavaScript User Input & Output | prompt(), alert(), console.log() & document.write() Explained
Welcome to *Chapter 4 of our Free JavaScript Course (Future Programming)* 🚀
In this lesson, you’ll learn how to *interact with users in JavaScript* using input & output methods.
We’ll cover:
✅ What is Input & Output in JavaScript
✅ Using *prompt()* to take user input
✅ Using *alert()* to show messages
✅ Using *console.log()* for developers
✅ Using *document.write()* to print on the webpage
✅ Building your first *Interactive Greeting App*
By the end of this video, you’ll know how to take user input, process it, and display output in different ways.
🔗 *GitHub Repo (Code + Notes):*
👉 [https://github.com/Future-Web-Program...](https://github.com/Future-Web-Program...)
📚 *Complete JavaScript Playlist (Zero to Hero):*
👉 [https://www.youtube.com/playlist?list...](https://www.youtube.com/playlist?list...)
💡 *Homework / Practice:*
Create a Greeting App that asks for: Name, Age, Favorite Subject
Show results using `alert()`, `console.log()`, and `document.write()`
Bonus: Ask city name and display a custom message
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📌 Follow Future Programming for more Free Courses:
🌐 GitHub: [https://github.com/Future-Web-Program...](https://github.com/Future-Web-Program...)
📺 YouTube: [ / @futureprogramming ]( / @futureprogramming )