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onbeforeprint event

Fires on the object before its associated document prints or previews for printing.


HTML Attribute <element onbeforeprint = "handler(event)">
Event Property object.onbeforeprint = handler;
attachEvent Method object.attachEvent("onbeforeprint", handler)
addEventListener Method object.addEventListener("beforeprint", handler, useCapture)


Event information

Synchronous No
Bubbles No
Cancelable No


Event handler parameters

Standards information

There are no standards that apply here.


Use this event to modify the document just before it prints or previews for printing. In most cases it is used to make all the information on the document visible just before printing.

Use the event in conjunction with the HTMLWindowEvents2::onafterprint event to undo the changes made to the document in the HTMLWindowEvents2::onbeforeprint event.

Prints the document associated with the object for which the event is specified.

To invoke this event, do one of the following:

  • Choose Print or Print Preview from the File menu.
  • Press CTRL+P.
  • Right-click anywhere on a document, and choose Print.
  • Right-click a link on a document, and choose Print.
  • From Windows Explorer, select an .htm file and choose Print from the File menu.
  • From Windows Explorer, right-click an .htm file and choose Print.

The pEvtObj parameter is required for the following interfaces:

See also