UI Patterns Learning App

↩️ Undo Pattern

Implement undo functionality using the command pattern, allowing users to reverse their actions.

🎯 Interactive Example

Try adding, editing, toggling, or deleting items, then use the undo button to reverse your actions.

• Add new items with the "Add Item" button

• Click the checkbox to toggle completion

• Edit text by clicking on the item text

• Delete items with the trash icon

• Use the Undo button to reverse any action

JSX

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✓

Each action is encapsulated as a command

✓

Track all user actions for undo functionality

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Clear indication of what can be undone

✓

Support for add, edit, toggle, and delete

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Efficient state tracking and updates

✓

Full keyboard accessibility

📝

Undo typing and formatting changes

🎨

Undo drawing and editing actions

📊

Undo data entry and modifications