ant-design/components/tooltip/index.en-US.md
张秀玲 134b0fa0bb docs: removed tooltip and tree version column in 4.0 (#19834)
* Removed version column in 4.0

* Removed version column

* remove version code
2019-11-20 17:54:13 +08:00

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Markdown

---
category: Components
type: Data Display
title: Tooltip
---
A simple text popup tip.
## When To Use
- The tip is shown on mouse enter, and is hidden on mouse leave. The Tooltip doesn't support complex text or operations.
- To provide an explanation of a `button/text/operation`. It's often used instead of the html `title` attribute.
## API
| Property | Description | Type | Default |
| --- | --- | --- | --- |
| title | The text shown in the tooltip | string\|ReactNode\|() => ReactNode | - |
### Common API
The following APIs are shared by Tooltip, Popconfirm, Popover.
| Property | Description | Type | Default |
| --- | --- | --- | --- |
| arrowPointAtCenter | Whether the arrow is pointed at the center of target, supported after `antd@1.11+` | boolean | `false` |
| autoAdjustOverflow | Whether to adjust popup placement automatically when popup is off screen | boolean | `true` |
| defaultVisible | Whether the floating tooltip card is visible by default | boolean | `false` |
| getPopupContainer | The DOM container of the tip, the default behavior is to create a `div` element in `body` | Function(triggerNode) | () => document.body |
| mouseEnterDelay | Delay in seconds, before tooltip is shown on mouse enter | number | 0.1 |
| mouseLeaveDelay | Delay in seconds, before tooltip is hidden on mouse leave | number | 0.1 |
| overlayClassName | Class name of the tooltip card | string | - |
| overlayStyle | Style of the tooltip card | object | - |
| placement | The position of the tooltip relative to the target, which can be one of `top` `left` `right` `bottom` `topLeft` `topRight` `bottomLeft` `bottomRight` `leftTop` `leftBottom` `rightTop` `rightBottom` | string | `top` |
| trigger | Tooltip trigger mode | `hover` \| `focus` \| `click` \| `contextMenu` | `hover` |
| visible | Whether the floating tooltip card is visible or not | boolean | `false` |
| onVisibleChange | Callback executed when visibility of the tooltip card is changed | (visible) => void | - |
| align | this value will be merged into placement's config, please refer to the settings [rc-tooltip](https://github.com/react-component/tooltip) | Object | - |
## Note
Please ensure that the child node of `Tooltip` accepts `onMouseEnter`, `onMouseLeave`, `onFocus`, `onClick` events.