Keep your learning notes in one place 📁 Sections for code, errors, and solutions 🔗 Links to important resources 💡 A “What I Learned Today” area, and much more... ✅ How to Use Copy-paste the code above into a file called learning-diary.html. Double-click to open it in your browser. Type your learnings and notes. You can press Ctrl+S to save it as needed, or even upload it to your personal GitHub for backup.