function PrintDiv() {
var divToPrint = document.getElementById('divToPrint');
var popupWin = window.open('', '_blank', 'width=300,height=300');
popupWin.document.open();
popupWin.document.write('<html><body onload="window.print()">' + divToPrint.innerHTML + '</html>');
popupWin.document.close();
}<div id="divToPrint" style="display:none;">
<div style="width:200px;height:300px;background-color:teal;">HTML</div>
</div>
<div>
<input type="button" value="print" onclick="PrintDiv();" />
</div>