jsPDF Encode PDF as BLOB Using Base64 Code & Download it

var blobPDF =  new Blob([ doc.output() ], { type : 'application/pdf'});
var blobUrl = URL.createObjectURL(blobPDF);  //<--- THE ERROR APPEARS HERE

window.open(blobUrl);  // will open a new tab

//window.open(blobUrl,'_system','location=yes'); will open a new window