accessKeyLabel
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
HTMLElement.accessKeyLabel 只读属性返回一个 String 表示这个元素分配的访问密钥 (如果有的话); 否则返回一个空字符串。
语法
label = element.accessKeyLabel
示例
JavaScript
js
var node = document.getElementById("btn1");
if (node.accessKeyLabel) {
node.title += " [" + node.accessKeyLabel + "]";
} else {
node.title += " [" + node.accessKey + "]";
}
node.onclick = function () {
var p = document.createElement("p");
p.textContent = "Clicked!";
node.parentNode.appendChild(p);
};
HTML
html
<button accesskey="h" title="Caption" id="btn1">Hover me</button>
结果
规范
| Specification |
|---|
| HTML # dom-accesskeylabel |
浏览器兼容性
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参见
element.accessKey- The accesskey global attribute.