shiftKeyEvent Property

事件对象参考手册Event Object

Definition and Usage

The shiftKey event property returns a boolean value indicating whether the "SHIFT" key was pressed and held when the event occurred.

Syntax

event.shiftKey=true|false|1|0
 

Examples

Examples

The following example can prompt whether the "SHIFT" key is held down when the mouse button is clicked:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Example Tutorial(example.com)</title>
<script>
function isKeyPressed(event){
    if (event.shiftKey==1){
alert("Shift key pressed!");
    }
    else{
alert("Shift key not pressed!");
    }
}
</script>
</head>
<body onmousedown="isKeyPressed(event)">

<p>Click this paragraph, and a popup will prompt whether the Shift key is pressed.</p>

</body>
</html>

Try it Yourself »


事件对象参考手册Event Object Other Extensions