概述
HTML head 元素 规定文档相关的配置信息（元数据），包括文档的标题，引用的文档样式和脚本等。
- 内容类别 无
- 允许内容至少包含一个
<title>元素来指定文档的标题信息，除非标题已经从更高等级协议中指定（<iframe>）。 - 允许父元素
<html>元素 - DOM 接口
HTMLHeadElement
属性
该元素包含全局属性。
示例
<html>
<head>
<title>文档标题</title>
</head>
</html>
附注
如果在文档中忽略了 <head> 标签，则大部分浏览器会自动创建一个 <head> 元素。当然，有一些不会。
下面这些浏览器经测试不会自动创建一个 head 元素：Android <=1.6, iPhone <=3.1.3, Nokia 90, Opera <=9.27, and Safari <=3.2.1。
规范
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard <head> |
Living Standard | 自上一次快照后未改变 |
| HTML5 <head> |
Recommendation | 废弃 profile |
| HTML 4.01 Specification <head> |
Recommendation |
浏览器兼容性
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
head | Chrome Full support 1 | Edge Full support Yes | Firefox Full support 1 | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
profile | Chrome Full support 1 | Edge Full support Yes | Firefox Full support 1 | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.