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MouseEvent.ctrlKey
MouseEvent.ctrlKey 是只读属性,可返回一个布尔值,当 ctrl 键被按下,返回 true,否则返回 false。
语法
var ctrlKeyPressed = instanceOfMouseEvent.ctrlKey
返回值
A boolean
示例
js
<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>
规范
| 规范 |
|---|
| Pointer Events # dom-mouseevent-ctrlkey |
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