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MouseEvent shiftKey Property

< Event Object

Example

Find out whether or not the "SHIFT" key was pressed when a mouse button is clicked:

if (event.shiftKey) {
    alert("The SHIFT key was pressed!");
} else {
    alert("The SHIFT key was NOT pressed!");
}
Try it Yourself »

Definition and Usage

The shiftKey property returns a Boolean value that indicates whether or not the "SHIFT" key was pressed when a mouse event was triggered.

Note: This property is read-only.


Browser Support

Property
shiftKey Yes Yes Yes Yes Yes

Syntax

event.shiftKey

Technical Details

Return Value: A Boolean, indicating whether the "SHIFT" key was pressed when the mouse event occured.

Possible values:

  • true - The shift key was pressed
  • false - The shift key was not pressed
DOM Version: DOM Level 2 Events

Related Pages

HTML DOM reference: MouseEvent altKey Property

HTML DOM reference: MouseEvent ctrlKey Property

HTML DOM reference: MouseEvent metaKey Property


< Event Object