CODE EXAMPLE FOR JAVASCRIPT

angular jspdf

generatePdf() {
    const div = document.getElementById("html2Pdf");
    const options = {background: "white", height: div.clientHeight, width: div.clientWidth};

    html2canvas(div, options).then((canvas) => {
        //Initialize JSPDF
        let doc = new jsPDF("p", "mm", "a4");
        //Converting canvas to Image
        let imgData = canvas.toDataURL("image/PNG");
        //Add image Canvas to PDF
        doc.addImage(imgData, 'PNG', 20, 20);

        let pdfOutput = doc.output();
        // using ArrayBuffer will allow you to put image inside PDF
        let buffer = new ArrayBuffer(pdfOutput.length);
        let array = new Uint8Array(buffer);
        for (let i = 0; i < pdfOutput.length; i++) {
            array[i] = pdfOutput.charCodeAt(i);
        }

        //Name of pdf
        const fileName = "example.pdf";

        // Make file
        doc.save(fileName);

    });
}