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KeyboardEvent: shiftKey プロパティ - Web API | MDN
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KeyboardEvent: shiftKey プロパティ
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
KeyboardEvent.shiftKey は読み取り専用プロパティで、このイベントが発生したときに shift キーが押されていたか (true) いなかったか (false) を示す論理値を返します。
値
論理値です。
例
html
<html lang="ja">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<title>シフトキーの例</title>
<script>
function showChar(e) {
alert(
"押されたキー: " +
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>
SHIFT
キーを押しながら、または押さずに、任意の文字キーを押してください。<br />
SHIFT キーと ALT キーを併用することもできます。
</p>
</body>
</html>
仕様書
| Specification |
|---|
| UI Events # dom-keyboardevent-shiftkey |
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