MouseEvent shiftKey property

Definition and usage

The shiftKey property returns a boolean value indicating whether the "SHIFT" key is pressed when the mouse event is triggered.

Note:This property is read-only.

Example

Determine whether the "SHIFT" key is pressed when clicking the mouse button:

if (event.shiftKey) {
  alert("The SHIFT key was pressed!");
}
  alert("The SHIFT key was NOT pressed!");
}

Try it yourself

Syntax

event.shiftKey

Technical details

Return value:

A boolean value indicating whether the "SHIFT" key is pressed when a mouse event occurs.

Possible values:

  • true - shift-tangent is pressed
  • false - shift-tangent is not pressed
DOM version: DOM Level 2 Events

Webbläsarstöd

Egenskaper Chrome IE Firefox Safari Opera
shiftKey Stöd Stöd Stöd Stöd Stöd

Relaterade sidor

HTML DOM Referenshandbok:MouseEvent altKey-attribut

HTML DOM Referenshandbok:MouseEvent ctrlKey-attribut

HTML DOM Referenshandbok:MouseEvent metaKey-attribut