Master Derived State in React: Calculate and Display Item Statistics Dynamically
React Form Handling: Master Rendering Dynamic Item Lists Octa Travel App.
In today’s tutorial, we're moving forward with the application. We’ll dive deeper into updating item lists, calculating statistics as derived state, and sorting items. By the end of this tutorial, you’ll have a fully functional form that not only collects data but also calculates and updates it in real-time.
📌 What We’ll Cover Today:
🛠️ Setting up state for dynamic item lists
📝 Handling form submissions
🖼️ Rendering items in the UI
❌ Deleting items from the list
🔄 Mastering child-to-parent communication in React
📊 Calculating derived state for statistics
✅ Implementing checkboxes to toggle item status
🎯 Conditional rendering based on item status and count
🔄 Early returns for conditional rendering
Timestamps:
00:00 - 🔍 Introduction & Overview
01:00 - 📋 Adding Checkboxes to Items
01:50 - 📥 Handling Checkbox Changes
04:38 - 📊 Calculating Derived State for Statistics
07:20 - 📝 Conditional Rendering for Packing Percentage
09:00 - 🎉 Final Testing and Functionality
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If you want to learn how to build a full-stack project, be sure to check out our series on the 'Find My Restaurant' full-stack project.
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