onbeforeprint property sets and returns the
onbeforeprint event handler code for the current window.
window.onbeforeprint = event handling code
Some browsers (including Firefox 6 and later and Internet Explorer) send
afterprint events to let content determine when printing may have occurred. You can use this to adjust the user interface presented during printing (such as by displaying or hiding user interface elements during the print process).
beforeprint event is raised before the print job dialog appears.
|Feature||Firefox (Gecko)||Chrome||Internet Explorer||Opera||Safari|
|Feature||Firefox Mobile (Gecko)||Android||IE Mobile||Opera Mobile||Safari Mobile|