const data = document.getElementById('pdfPage_');
html2canvas(data).then((canvas:any) => {
const imgWidth = 208;
const pageHeight = 295;
const imgHeight = (canvas.height * imgWidth) / canvas.width;
let heightLeft = imgHeight;
let position = 0;
heightLeft -= pageHeight;
const doc = new jspdf('p', 'mm');
doc.addImage(canvas, 'PNG', 0, position, imgWidth, imgHeight, '', 'FAST');
while (heightLeft >= 0) {
position = heightLeft - imgHeight;
doc.addPage();
doc.addImage(canvas, 'PNG', 0, position, imgWidth, imgHeight, '', 'FAST');
heightLeft -= pageHeight;
}
doc.save('Downld.pdf');
});