snapchat-map/parseWiki.html at master · mvttz/snapchat-map · GitHub

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<html>
  <head>
    <title>Wikipedia Parser</title>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <script src="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
    <link href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body style="padding:20px;">
    <h3>Parse US City Population Density from - <a href="view-source:http://en.wikipedia.org/wiki/List_of_United_States_cities_by_population" target="_blank">http://en.wikipedia.org/wiki/List_of_United_States_cities_by_population</a></h3>
    <br />
    <div>
      <textarea class="form-control" id="inputArea" placeholder="Paste source from http://en.wikipedia.org/wiki/List_of_United_States_cities_by_population" rows="10"></textarea>
      <button type="button" class="btn btn-success" id="btnParse">Get Area Codes</button>
    </div>
    <br/>
    <div>
      <h5>JSON<span id="lenJSON"></span></h5>
      <textarea class="form-control" id="outputJSONArea" rows="10"></textarea>
    </div>
  </body>
</html>
</script>
<script type="text/javascript">
  $('#btnParse').click(function() {
    var rawHtml = $('#inputArea').val();
    var rows = $(rawHtml).find('.wikitable:first').find('tr');
    var array = [];
    $.each(rows, function(i,v) {
      if (i > 0) { //ignore header
        var rank = $(v).find('td:first').html();
        var city = $(v).find('td').eq(1).find('a:first').html();
        var state = $(v).find('td').eq(2).find('a:first').html();

        $(v).find('td').eq(3).find('span:first').remove();
        var pop2012 = $(v).find('td').eq(3).html().replace(/,/g , '');

        var latlon = $(v).find('td').eq(9).html().split(' ');
        var lat = latlon[0].substring(0,(latlon[0].length-2));
        var lon = '-' + latlon[1].substring(0,(latlon[0].length-2));

        array.push({
          lat: lat,
          lng: lon,
          count: pop2012
        });
      }
    });
    $('#outputJSONArea').val(JSON.stringify(array));
  });
</script>