KeyboardEvent.ctrlKey

KeyboardEvent.ctrlKey 只读属性返回一个 Boolean 值,表示事件触发时 control 键是 (true) 否(false)按下。

语法

var ctrlKeyPressed = instanceOfKeyboardEvent.ctrlKey

返回值

布尔值

示例

<html>
<head>
<title>ctrlKey example</title>

<script type="text/javascript">

function showChar(e){
  alert(
    "Key Pressed: " + String.fromCharCode(e.charCode) + "\n"
    + "charCode: " + e.charCode + "\n"
    + "CTRL key pressed: " + e.ctrlKey + "\n"
  );
}

</script>
</head>

<body onkeypress="showChar(event);">
<p>Press any character key, with or without holding down the CTRL key.<br />
You can also use the SHIFT key together with the CTRL key.</p>
</body>
</html>

标准

Specification Status Comment
Document Object Model (DOM) Level 3 Events Specification
KeyboardEvent.ctrlKey
Obsolete Initial definition.

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

特性 Edge Firefox (Gecko) Chrome Internet Explorer Opera Safari
基本支持 (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)
特性 Edge Firefox Mobile (Gecko) Android IE Mobile Opera Mobile Safari Mobile
基本支持 (Yes) ? ? ? ? ?

参考

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