Convert JSON to CSV using jQuery

HTML

<span>JSON:</span>
<pre id="json"></pre>
<span>CSV:</span>
<pre id="csv"></pre>

CSS

body {
  font-family: calibri;
}

span {
  font-weight: bold;
  margin-bottom: 5px;
  font-size: 18px;
  text-decoration: underline;
  color: blue;
}

pre {
  font-size: 14px;
}

JavaScript

var jData = '[{"fname":"Mark", "lname":"Wood", "company":"Apple"},' +
  '{"fname":"Steve", "lname":"Jones", "company":"Amazon"},' +
  '{"fname":"Bill", "lname":"Peterson", "company":"HP"},' +
  '{"fname":"Peter", "lname":"Jacobs", "company":"Dell"}]';

var seperator = ',';
var tmpData = JSON.parse(jData);
var formattedJson = JSON.stringify(tmpData, null, '\t');
$('#json').html(formattedJson);
$('#csv').html(ConvertToCSV(jData, seperator));

function ConvertToCSV(jData, delimiter) {
  var arrJSON = typeof jData != 'object' ? JSON.parse(jData) : jData;
  
  var sReturnVal = '';
  for (var i = 0; i < arrJSON.length; i++) {
    var sLine = '';
    for (var index in arrJSON[i]) {
      if (sLine != '') sLine += delimiter;
      sLine += arrJSON[i][index];
    }
    sReturnVal += sLine + '\r\n';
  }
  return sReturnVal;
}