# 在滾動中顯示和隱藏導航欄

本文會提到：

1. 讓導航欄消失
2. 讓導航欄重新出現

## 讓導航欄消失

1. 選擇導航欄，確保它的位置固定在視窗上
2. 在互動面板中，從"When Scrolled Down"選單中選擇"Start an Animation"
3. 命名它（例如"nav leave"）
4. 點擊定時動作旁邊的加號
5. 在"Under Move"改變Y軸，直到導航條在視窗外
6. 調整您的緩和曲線和持續時間

## 讓導航欄重新出現

1. 選擇導航欄
2. 在互動面板中，從"When Scrolled Up"選單中選擇"Start an Animation"
3. 命名它（例如"nav enter"）
4. 點擊定時動作旁邊的加號
5. 在"Under Move"下把Y軸改回0
6. 調整您的緩和曲線和持續時間


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