How to use getElementById(), addEventListener(), and prompt() together in JavaScript Project
This 4-minute tutorial walks you through building two interactive buttons completely from scratch using only HTML and JavaScript.
Topics covered:
📦 getElementById() — selecting HTML elements in JavaScript
🖱️ addEventListener() — detecting user clicks
✏️ textContent — updating text dynamically
🎨 style.color — changing CSS with JavaScript
💬 prompt() — collecting user input via popup
🔀 if/else — handling null vs valid input
⏱️ Timestamps:
0:00 — Project overview
0:30 — HTML structure
1:00 — getElementById() explained
1:30 — addEventListener() explained
2:00 — textContent & style changes
2:45 — prompt() walkthrough
3:20 — Full live demo
3:45 — Summary
Perfect for absolute beginners starting their JavaScript journey! 💻
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