HTML <summary> tag

定义和用法

<summary> 标签为 <details> 元素 定义了一个可见的标题。点击标题可以查看/隐藏详细信息。

注意：<summary> 元素应该是 <details> 元素 的第一个子元素。

另请参阅：

HTML DOM 参考手册：Summary 对象

实例

例子 1

使用 <summary> Element:

<details>
  <summary>Future World Center (Epcot Center)</summary>
  <p>Epcot is a theme park in Walt Disney World Resort, featuring exciting attractions, international pavilions, award-winning fireworks, and seasonal events.</p>
</details>

Try It Yourself

例子 2

使用 CSS 设置 <details> 和 <summary> 的样式：

<html>
<style>
details > summary {
  padding: 4px;
  width: 200px;
  background-color: #eeeeee;
  border: none;
  box-shadow: 1px 1px 2px #bbbbbb;
  cursor: pointer;
}
details > p {
  background-color: #eeeeee;
  padding: 4px;
  margin: 0;
  box-shadow: 1px 1px 2px #bbbbbb;
}
</style>
<body>
<details>
  <summary>Future World Center (Epcot Center)</summary>
  <p>Epcot is a theme park in Walt Disney World Resort, featuring exciting attractions, international pavilions, award-winning fireworks, and seasonal events.</p>
</details>
</body>
</html>

Try It Yourself

Global Attributes

<summary> The tag also supports Global Attributes in HTML.

Event Attributes

<summary> The tag also supports Event Attributes in HTML.

Default CSS Settings

Most browsers will display the following default values <summary> Element:

summary {
  display: block;
}

Browser Support

The numbers in the table indicate the first browser version to fully support this attribute.

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
12.0 79.0 49.0 6.0 15.0