font-kerning

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句法
形式定义
形式句法
范例
规范
浏览器兼容性
另请参阅
相关话题

font-kerning CSS property sets the use of the kerning information stored in a font.

The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

Kerning defines how letters are spaced. In well-kerned fonts, this feature makes character spacing more uniform and pleasant to read than it would otherwise be.

In the image below, for instance, the examples on the left do not use kerning, while the ones on the right do:

Example of font-kerning

句法

font-kerning property is specified as one of the keyword values listed below.

值

auto
normal
none

形式定义

初始值	`auto`
适用于	所有元素。它还适用于 `::first-letter` and `::first-line` .
继承	yes
计算值	如指定
动画类型	discrete

形式句法

auto | normal | none

范例

Enabling and disabling kerning

HTML

<div id="kern"></div>
<div id="nokern"></div>
<textarea id="input">AV T. ij</textarea>

CSS

div {
  font-size: 2rem;
  font-family: serif;
}
#nokern {
  font-kerning: none;
}
#kern {
  font-kerning: normal;
}

JavaScript

let input  = document.getElementById('input');
let kern   = document.getElementById('kern');
let nokern = document.getElementById('nokern');
input.addEventListener('keyup', function() {
  kern.textContent = input.value; /* Update content */
  nokern.textContent = input.value;
});
kern.textContent = input.value; /* Initialize content */
nokern.textContent = input.value;

规范

规范	状态	注释
CSS Fonts Module Level 3 The definition of 'font-kerning' in that specification.	候选推荐	初始定义。

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`font-kerning`	Chrome 完整支持 33 完整支持 33 不支持 29 — 33 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Edge 完整支持 79	Firefox 完整支持 32 完整支持 32 不支持 24 — 34 Disabled Disabled ). To change preferences in Firefox, visit	IE 不支持 No	Opera 完整支持 20 完整支持 20 不支持 16 — 20 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Safari 完整支持 9	WebView Android 完整支持 4.4.3 完整支持 4.4.3 不支持 4.4 — 4.4.3 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Chrome Android 完整支持 33 完整支持 33 不支持 29 — 33 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Firefox Android 完整支持 32 完整支持 32 不支持 24 — 34 Disabled Disabled ). To change preferences in Firefox, visit	Opera Android 完整支持 20 完整支持 20 不支持 16 — 20 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Safari iOS 完整支持 9	Samsung Internet Android 完整支持 2.0 完整支持 2.0 不支持 1.0 — 2.0 Prefixed Prefixed Implemented with the vendor prefix: -webkit-

图例

完整支持
不支持
用户必须明确启用此特征。
要求使用供应商前缀或不同名称。

另请参阅

font-variant , font-variant-position , font-variant-east-asian , font-variant-caps , font-variant-ligatures , font-variant-numeric , font-variant-alternates , font-synthesis , letter-spacing

元数据

最后修改： 2020 年 7 月 17 日

CSS
CSS 参考
CSS 字体
指南
1. OpenType font features guide
2. Variable fonts guide
At-Rules
1. @font-face
2. @font-feature-values
特性

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句法

值