Session 3 | Props vs State, useState, & Component Memory | React JS Series | Dectac 2025
𝗦𝗲𝘀𝘀𝗶𝗼𝗻 𝟯 : 𝗠𝗮𝘀𝘁𝗲𝗿 𝗥𝗲𝗮𝗰𝘁 𝗦𝘁𝗮𝘁𝗲 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗰𝗼𝗻𝗰𝗲𝗽𝘁 𝗼𝗳 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁 𝗠𝗲𝗺𝗼𝗿𝘆 𝗶𝗻 𝘁𝗵𝗶𝘀 𝗯𝗲𝗴𝗶𝗻𝗻𝗲𝗿-𝗳𝗿𝗶𝗲𝗻𝗱𝗹𝘆 𝘆𝗲𝘁 𝗶𝗻-𝗱𝗲𝗽𝘁𝗵 𝘁𝘂𝘁𝗼𝗿𝗶𝗮𝗹!
We’ll explore why state is essential, how it works under the hood, and the important difference between props and state , explained with simple examples, relatable analogies, and clear diagrams.
𝗬𝗼𝘂’𝗹𝗹 𝗹𝗲𝗮𝗿𝗻:
• What Component Memory means in React
• Why modern web apps rely on state for interactivity
• How the useState hook works step-by-step
• The difference between Props (external data) and State (internal data)
• Controlled components for form handling
• The state update & re-render process
• The Rule of Immutability and how to update state correctly
• Building a mini To-Do List App to put it all together
This video is perfect for beginners who are just getting started with React, as well as developers looking to strengthen their understanding of how state powers dynamic and interactive UIs.
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