<hr>: The Thematic Break (Horizontal Rule) element

<hr> HTML 元素表示段落级元素之间的主题分隔：例如，故事中场景的变化，或者章节中主题的转变。

¥The <hr> HTML element represents a thematic break between paragraph-level elements: for example, a change of scene in a story, or a shift of topic within a section.

Try it

从历史上看，这被表现为水平的规则或线。虽然它仍然可能在可视浏览器中显示为水平线，但该元素现在是用语义术语而不是表示术语定义的，因此如果你希望绘制水平线，则应该使用适当的 CSS 来实现。

¥Historically, this has been presented as a horizontal rule or line. While it may still be displayed as a horizontal rule in visual browsers, this element is now defined in semantic terms, rather than presentational terms, so if you wish to draw a horizontal line, you should do so using appropriate CSS.

属性

¥Attributes

该元素的属性包括全局属性。

¥This element's attributes include the global attributes.

align Deprecated Non-standard: 设置页面上规则的对齐方式。如果未指定值，则默认值为 left。
color Deprecated Non-standard: 通过颜色名称或十六进制值设置规则的颜色。
noshade Deprecated Non-standard: 将规则设置为没有阴影。
size Deprecated Non-standard: 设置规则的高度（以像素为单位）。
width Deprecated Non-standard: 通过像素或百分比值设置页面上规则的长度。

示例

¥Example

HTML

html

<p>
  This is the first paragraph of text. This is the first paragraph of text. This
  is the first paragraph of text. This is the first paragraph of text.
</p>

<hr />

<p>
  This is the second paragraph of text. This is the second paragraph of text.
  This is the second paragraph of text. This is the second paragraph of text.
</p>

结果

¥Result

技术总结

¥Technical summary

内容类别	流量内容.
允许的内容	没有任何;这是 void element。
标签遗漏	必须有开始标记，并且不能有结束标记。
允许的父级	任何接受流动内容的元素 ¥Any element that accepts 流动内容 `<select>` 元素 ¥`<select>` element
隐式 ARIA 角色	`separator`
允许的 ARIA 角色	`presentation` 或 `none`
DOM 接口	`HTMLHRElement`

规范

Specification
HTML Standard # the-hr-element

¥Specifications

浏览器兼容性

BCD tables only load in the browser

¥Browser compatibility

也可以看看

¥See also