KeyboardEvent.shiftKey

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  1. 语法
  2. 示例
  3. 标准
  4. 浏览器兼容性
  5. 参考

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

语法

var shiftKeyPressed = instanceOfKeyboardEvent.shiftKey

返回值

布尔值

示例

<html>
<head>
<title>shiftKey example</title>

<script type="text/javascript">

function showChar(e){
  alert(
    "Key Pressed: " + String.fromCharCode(e.charCode) + "\n"
    + "charCode: " + e.charCode + "\n"
    + "SHIFT key pressed: " + e.shiftKey + "\n"
    + "ALT key pressed: " + e.altKey + "\n"
  );
}

</script>
</head>

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

标准

Specification Status Comment
Document Object Model (DOM) Level 3 Events Specification
KeyboardEvent.shiftKey		 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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