code: function loadSVGFromString(string, callback, reviver) {
      string = string.trim();
      var doc;
      if (typeof DOMParser !== 'undefined') {
        var parser = new DOMParser();
        if (parser && parser.parseFromString) {
          doc = parser.parseFromString(string, 'text/xml');
        }
      }
      else if (fabric.window.ActiveXObject) {
        var doc = new ActiveXObject('Microsoft.XMLDOM');
        doc.async = 'false';
        //IE chokes on DOCTYPE
        doc.loadXML(string.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,''));
      }
  
      fabric.parseSVGDocument(doc.documentElement, function (results, options) {
        callback(results, options);
      }, reviver);
    }
docs: Takes string corresponding to an SVG document, and parses it into a set of fabric objects
  @method loadSVGFromString
  @param {String} string
  @param {Function} callback
  @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.