Flowchart.js – Simple SVG flow chart diagrams from textual representation(adrai.github.io)

    function render() {
      var link = document.createElement('a'),
          time = Date.now();
      link.href = 'mailto:?  subject=exported%20sketch&body=%3C%3Fxml%20version%3D%221.0%22%20standalone%3D%22no%22%3F%3E%3C!DOCTYPE%20svg%20PUBLIC%20%22-%2F%2FW3C%2F%2FDTD%20SVG%201.1%2F%2FEN%22%20%22http%3A%2F%2Fwww.w3.org%2FGraphics%2FSVG%2F1.1%2FDTD%2Fsvg11.dtd%22%3E'+encodeURIComponent(new XMLSerializer().serializeToString(board));
      link.id = time;
      document.body.appendChild(link);
      document.getElementById(time).dispatchEvent(new MouseEvent('click'));
      document.getElementById(time).parentNode.removeChild(document.getElementById(time));
    }

    function download() {
      var link = document.createElement('a'),
          time = Date.now(),
          svg = '<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'+new XMLSerializer().serializeToString(board);
      link.id = time;
      link.setAttribute('download','sketch.svg');
      link.href = 'data:text/html;charset=utf-8,' + encodeURIComponent(svg);
      document.body.appendChild(link);
      document.getElementById(time).dispatchEvent(new MouseEvent('click'));
      document.getElementById(time).parentNode.removeChild(document.getElementById(time));
    }