Name: backspaceKey

Type: message

Syntax: backspaceKey

Summary: Sent to the <active (focused) control(glossary)>, or to the <current card> if no <control> is <focus|focused>.

Associations: button

Introduced: 1.0

OS: mac,windows,linux,ios,android

Platforms: desktop,server,web,mobile

Example:

on backspaceKey -- in the script of a field

-- clear the whole field instead of removing one character:

put empty into me

end backspaceKey

Description:

Handle the <backspaceKey> message if you want to do something special when the user presses the Backspace key.

The Backspace key is not the same as the Forward Delete key. On some keyboards, the Backspace key is labeled "Delete".

References: control (keyword), cutKey (message), deleteKey (message), current card (glossary), active control (glossary), focus (glossary)

Tags: ui