How do I get a multi-page pdf from a website using jsPDF and HTML2Canvas?

Question

I have a script that uses HTML2Canvas to take a screenshot of a div within the page, and then converts it to a pdf using jsPDF.

The problem is the pdf that

Answer 1

I was able to get it done using async functionality.

(async function loop() {
    var pages = [...]
    for (var i = 0; i < pages.length; i++) {
      await new Promise(function(resolve) {
        html2canvas(pages[i], {scale: 1}).then(function(canvas) {

          var img=canvas.toDataURL("image/png");
          doc.addImage(img,'JPEG', 10, 10);
          if ((i+1) == pages.length) {
            doc.save('menu.pdf');
          } else {
            doc.addPage();
          }
          resolve();
        });
      });
    }
})();