MouseEvent.shiftKey

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

MouseEvent.shiftKey 是只读属性,指出触发鼠标事件时是否按住了 shift

Syntax

var shiftKeyPressed = instanceOfMouseEvent.shiftKey

Return value

A boolean

Example

js
<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
UI Events
# dom-mouseevent-shiftkey

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
shiftKey

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also