Prints the document associated with the window.
var retval = window.print();
This method has no parameters.
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
There are no standards that apply here.
Calling the print method has the same effect as choosing Print from the File menu. The print method activates the Print dialog box, prompting the user to change print settings. When the user clicks the OK button, the following sequence of events occurs:
The onbeforeprint and onafterprint events are particularly useful when not all the information on the document is visible at all times. Use the onbeforeprint to modify the document to make all the information on the page visible for printing. To return the document to its original state, use the onafterprint event.