# <hr>

HTML `<hr>` 元素表示段落级元素之间的主题转换（例如，一个故事中的场景的改变，或一个章节的主题的改变）。在HTML的早期版本中，它是一个水平线。现在它仍能在可视化浏览器中表现为水平线，但目前被定义为语义上的，而不是表现层面上。

## 特性

`align`

`color`

`noshade`

`size`

`width`

## 示例

```<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 second paragraph of text. This is second paragraph of text.
This is second paragraph of text. This is second paragraph of text.</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.

This is second paragraph of text. This is second paragraph of text. This is second paragraph of text. This is second paragraph of text.

## 规范

Specification Status Comment
HTML Living Standard
<hr>
Living Standard Definition of the `hr` element
HTML Living Standard Living Standard Suggested default rendering of the `hr` element
HTML5
<hr>
Recommendation
HTML 4.01 Specification
<hr>
Recommendation

## 浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 1.0 (Yes) (Yes) (Yes) (Yes)
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) (Yes) (Yes)