how to print canvas image in js
function printCanvas()
{
var dataUrl = canvas.toDataURL(); //attempt to save base64 string to server using this var
var windowContent = '<!DOCTYPE html>';
windowContent += '<html>'
windowContent += '<head><title>Print canvas</title></head>';
windowContent += '<body>'
windowContent += '<img src="' + dataUrl + '">';
windowContent += '</body>';
windowContent += '</html>';
var printWin = window.open('','','width=1197,height=793');
printWin.document.open();
printWin.document.write(windowContent);
printWin.document.close();
printWin.focus();
printWin.print();
}