altKey property

Gets a value that indicates whether the Alt key is pressed.

Syntax

Property values

Type: Boolean

true (true)

The Alt key is pressed.

false (false)

The Alt key is not pressed.

Standards information

• Document Object Model (DOM) Level 3 Events Specification, Section 5.2.2

Remarks

To determine whether the left or right version of the Alt key is pressed, use the location property.

See also

DragEvent

event

KeyboardEvent

MouseEvent

MouseWheelEvent

WheelEvent

Reference

ctrlKey

getModifierState

metaKey

shiftKey