Force Download via jQuery #jquery

downloadTrigger

  var downloadTrigger = getUrlParameter('download');
  if ( downloadTrigger == 'true' ) {
    function download_file(fileURL, fileName) {
      // for non-IE
      if (!window.ActiveXObject) {
        var save = document.createElement('a');
        save.href = fileURL;
        save.target = '_blank';
        var filename = fileURL.substring(fileURL.lastIndexOf('/')+1);
        save.download = fileName || filename;
         if ( navigator.userAgent.toLowerCase().match(/(ipad|iphone|safari)/) && navigator.userAgent.search("Chrome") < 0) {
        document.location = save.href; 
        // window event not working here
      } else {
        var evt = new MouseEvent('click', {
            'view': window,
            'bubbles': true,
            'cancelable': false
        });
        save.dispatchEvent(evt);
        (window.URL || window.webkitURL).revokeObjectURL(save.href);
        } 
      }

      // for IE < 11
      else if ( !! window.ActiveXObject && document.execCommand) {
          var _window = window.open(fileURL, '_blank');
          _window.document.close();
          _window.document.execCommand('SaveAs', true, fileName || fileURL)
          _window.close();
      }
    }
    download_file("myPDFDownload.pdf", "Download.pdf");
  }