Posted By

chrisaiv on 02/22/09

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Last Edited at 02/22/09 02:40pm

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JS: Parse RSS Feed

/ Published in: JavaScript

Simple Javascript that will get a feed and parse it using Ajax

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request.send(null);
}

function ReceiveAjax(response, callbackFunction) {
   if (window.ActiveXObject) {
      var doc = new ActiveXObject("Microsoft.XMLDOM");
      doc.async = "false";
      doc.loadXML(response);
   } else {
      var parser = new DOMParser();
      var doc = parser.parseFromString(response,"text/xml");
   }

callbackFunction(doc.documentElement);
}

function ValueFromTagName(item, tagname) {
   var val = item.getElementsByTagName(tagname);
   return val[0].firstChild.nodeValue;
}

function ParseData(data) {
   var items = data.getElementsByTagName('item');
   var output = '<ul>';

for (var i = 0; i < items.length; ++i) {
      var title = ValueFromTagName(items[i], 'title');
      var link = ValueFromTagName(items[i], 'link');

output += '<li><strong><a href ="' + link + '">' + title + '</strong> ' + '</li>';
   }

output += '</ul>';

var RSSOutput = document.getElementById('RSSOutput');
   	   RSSOutput.innerHTML = output;
}

function LoadFeed( url ) {
   var GetFeed = url;
   SendAjax('getfeed.php?url=' + escape(GetFeed.value), ParseData);
}
LoadFeed( "http://del.icio.us/rss/twelvetone" );

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