Function saveFile

InteractiveHtmlBom/web/util.js:471–477

(filename, blob)

}

function saveFile(filename, blob) {
  var link = document.createElement("a");
  var objurl = URL.createObjectURL(blob);
  link.download = filename;
  link.href = objurl;
  link.click();
}

function dataURLtoBlob(dataurl) {
  var arr = dataurl.split(','),