Send a pdf embedded to print

PDFPrinter.js

function printPdf(url) {
	var frame = document.createElement('iframe');
	frame.setAttribute('style', 'display:none;');
	frame.setAttribute('src', url);
	var element = document.body.appendChild(frame);
	element.addEventListener('load', function () {
		element.contentWindow.print();
		document.addEventListener('focus', focusEventListener, true);
	});
	function focusEventListener() {
		document.body.removeChild(element);
		document.removeEventListener('focus', focusEventListener, true);
	}
}