← Go back

Undo History

Undo State

Step backward and forward through a visual history to see how undo and redo work.

Step1 / 7

UndoAvailable

RedoWaiting

ActionAdd sky

Canvas History

Undo

Undo moves one step backward in the history of actions.

Redo

Redo moves forward again through actions you already undid.

History

Many creative tools store each change so you can revisit an earlier state.

Try This

Step backward to remove actions, then step forward to restore them.

How to Play

This module shows how a program can store and revisit visual states.