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How User Actions Drive UI Changes

How User Actions Drive UI Changes in ReactJS

How User Actions Drive UI Changes

Your app may not fetch data from an external API, but it's still reactive and interactive. Instead of external data, you're working with internal user input and managing it with React logic.

Here's how interaction flows in your app:

User Action	React Function	Effect on UI
Types in the input box	setInputValue()	Updates inputValue in real-time
Clicks “Add” button	addTodo()	Adds new task to todos and clears input
Clicks checkbox	toggleTodo()	Crosses out or restores task text
Clicks ✏️ icon	editTodo()	Opens prompt to change task
Clicks 🗑️ icon	deleteTodo()	Removes task from the list

Each of these actions changes React state, and React responds by automatically updating the visible UI.

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How User Actions Drive UI Changes in ReactJS

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