send print automatically in js code example

Example 1: print pdf javascript

// a javascript library for easily printing files from your page
// https://printjs.crabbly.com/
// add in the html head area
<script src="https://printjs-4de6.kxcdn.com/print.min.js"></script>
<script src="https://printjs-4de6.kxcdn.com/print.min.css"></script>

// add in your javaScript
function myPrint(){
  printJS('myFile.pdf');
}
$('#printBtn').click(myPrint);

Example 2: jquery direct window print pdf

<OBJECT id = "Pdf2" name="Pdf2" CLASSID="clsid:CA8A9780-280D-11CF-A24D-444553540000" WIDTH="364" HEIGHT="290">
     <PARAM NAME='SRC' VALUE="file.pdf">
</OBJECT>
<a onClick="document.Pdf2.printWithDialog()">Print file</a>