jspdf-sample.html

function saveAspdf() {
    var pdf = new jsPDF('p', 'pt', 'a4');
    $("#button-pdf").attr('hidden', 'true')
    pdf.addHTML($("#mainContainer"), 0, -20, { allowTaint: true, useCORS: true, pagesplit: false }, function () {
        pdf.save('{{downloaded_file_name}}.pdf');
        downloadFile($(".screening-report-url").attr("href"));
        $("#button-pdf").removeAttr('hidden', 'true')
    });
}

function downloadFile(url) {
    fetch(url, { method: 'get', mode: 'no-cors', referrerPolicy: 'no-referrer' })
        .then(res => res.blob())
        .then(res => {
            const aElement = document.createElement('a');
            aElement.setAttribute('download', "screening_report.pdf");
            const href = URL.createObjectURL(res);
            aElement.href = href;
            aElement.setAttribute('href', href);
            aElement.click();
            URL.revokeObjectURL(href);
        });
};