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accesskey 全局属性提供了能为当前元素生成快捷键的方式。这个属性是由空格分隔的字符(单个 Unicode 代码点)列表组成。浏览器使用存在于计算机键盘布局的第一个字符。

激活 accesskey 的操作取决于浏览器及其平台。

  Windows Linux Mac
Firefox Alt + Shift + key On Firefox 14 or newer, Control + Alt + key
On Firefox 13 or older, Control + key
Internet Explorer Alt + key N/A
Google Chrome Alt + key Control + Alt + key
Safari Alt + key N/A Control + Alt + key
Opera Shift + Esc opens a contents list which are accessible by accesskey, then, can choose an item by pressing key

要注意 Firefox 可以通过用户偏好,自定义所需的修饰键。

规范

Specification Status Comment
HTML Living Standard
accesskey
Living Standard No change from latest snapshot, HTML 5.1
HTML 5.1
accesskey
Recommendation Snapshot of HTML Living Standard, no change from HTML5
HTML5
accesskey
Recommendation Snapshot of  HTML Living Standard. From HTML 4.01 Specification, several characters can be set as the accesskey. Also, it can be set on any element.
HTML 4.01 Specification
accesskey
Recommendation Only supported on <a>, <area>, <button>, <input>, <label>, <legend> and <textarea>

浏览器兼容性

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

另见

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