accessKeyLabel

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

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

<button accesskey="h" title="Caption" id="btn1">Hover me</button>

Result

Specifications

Specification Status Comment
HTML Living Standard
HTMLElement.accessKeyLabel		 Living Standard No change from initial definition.
HTML 5.1 Recommendation Removed. pull w3c/html#144, issue w3c/html#99, WICG discussion.
HTML5
HTMLElement.accessKeyLabel		 Recommendation Snapshot of  HTML Living Standard, initial definition.

浏览器兼容

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See also