KeyboardEvent.shiftKey - Web APIs 编辑
The KeyboardEvent.shiftKey read-only property is a Boolean that indicates if the shift key was pressed (true) or not (false) when the event occurred.
Syntax
var shiftKeyPressed = instanceOfKeyboardEvent.shiftKey
Return value
A Boolean
Example
<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>
Specifications
| Specification | Status | Comment |
|---|---|---|
| Document Object Model (DOM) Level 3 Events Specification The definition of 'KeyboardEvent.shiftKey' in that specification. | Obsolete | Initial definition. |
Browser compatibility
BCD tables only load in the browser
See also
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