var jsPdfScript=window.document.createElement('script');
var promisesScript=window.document.createElement('script');
var htmlCanvasScript=window.document.createElement('script');

htmlCanvasScript.src='https://cdnjs.cloudflare.com/ajax/libs/html2canvas/0.4.1/html2canvas.js';
jsPdfScript.src='https://unpkg.com/jspdf@1.5.3/dist/jspdf.min.js';
promisesScript.src = 'https://cdnjs.cloudflare.com/ajax/libs/bluebird/3.3.5/bluebird.min.js';

window.document.head.appendChild(promisesScript);
window.document.head.appendChild(htmlCanvasScript);
window.document.head.appendChild(jsPdfScript);

var pdfDoc = new jsPDF();
pdfDoc.html(document.getElementById('printFromContent').innerHTML);
pdfDoc.save('some.pdf');