Undo
You might say
This change is wrong—undo it and put things back the way they were before I touched them.
Undo rolls your last action back exactly as it was—Ctrl+Z brings the wrongly deleted row back, no retyping.Press Ctrl+Z (Cmd+Z on Mac) to step backward, and redo to step forward again if you go too far. It has limits: usually only the last several steps, and the history is gone after refresh or close—important deletions still deserve a confirmation rather than relying on undo.
Know first
Ctrl+Z
Delete a row, then undo it back
ClientAmount
Star Coffee¥ 12,000
Hillside Inn¥ 15,000
Ctrl + ZUndo covers recent steps only; refresh clears history
What undo remembers
The state before the action: Each step stores a "before" snapshot; pressing undo restores that original rather than regenerating it.
Paired with redo: Undo steps back, redo (Ctrl+Shift+Z or Ctrl+Y) re-applies the undone step. Both share one history.
History is finite: Usually only recent steps survive, and refresh or close clears it. Critical actions still deserve confirmation first.
You can say this to an AI Agent
Add undo to the table's delete action: Ctrl+Z restores a wrongly deleted row exactly as it was. Keep the confirmation dialog before deleting as well.
Learn next
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Web fine-tuning tool · Selector Pro
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