jQuery Get RSS Feed Live Reader

• Automatically load rss feed when your web page loads
• Refresh button to refresh the jQuery rss feed reader live
• You can add mutiple rss feeds
• You can specify a limit of feed items that are returned
• Displays a loading button while reading rss feeds

The jQuery RSS Plugin Code

var gfeedfetcher_loading_image="/images/page-images/loader.gif" //Full URL to "loading" image. No need to config after this line!!

google.load("feeds", "1") //Load Google Ajax Feed API (version 1)

function gfeedfetcher(divid, divClass, linktarget){
	this.linktarget=linktarget || "" //link target of RSS entries
	this.feedlabels=[] //array holding lables for each RSS feed
	this.feedurls=[]
	this.feeds=[] //array holding combined RSS feeds' entries from Feed API (result.feed.entries)
	this.feedsfetched=0 //number of feeds fetched
	this.feedlimit=5
	this.showoptions="" //Optional components of RSS entry to show (none by default)
	this.sortstring="date" //sort by "date" by default
	document.write('') //output div to contain RSS entries
	this.feedcontainer=document.getElementById(divid)
	this.itemcontainer="" //default element wrapping around each RSS entry item
}

gfeedfetcher.prototype.addFeed=function(label, url){
	this.feedlabels[this.feedlabels.length]=label
	this.feedurls[this.feedurls.length]=url
}

gfeedfetcher.prototype.filterfeed=function(feedlimit, sortstr){
	this.feedlimit=feedlimit
	if (typeof sortstr!="undefined")
	this.sortstring=sortstr
}

gfeedfetcher.prototype.displayoptions=function(parts){
	this.showoptions=parts //set RSS entry options to show ("date, datetime, time, snippet, label, description")
}

gfeedfetcher.prototype.setentrycontainer=function(containerstr){  //set element that should wrap around each RSS entry item
this.itemcontainer="< "+containerstr.toLowerCase()+">"
}

gfeedfetcher.prototype.init=function(){
	this.feedsfetched=0 //reset number of feeds fetched to 0 (in case init() is called more than once)
	this.feeds=[] //reset feeds[] array to empty (in case init() is called more than once)
	this.feedcontainer.innerHTML=' Loading blog feeds...'
	var displayer=this
	for (var i=0; i0 && this.feedlimit>this.feedurls.length && i==this.feedurls.length-1) //If this is the last RSS feed, and feedlimit/feedurls.length yields a remainder
			items_to_show+=(this.feedlimit%this.feedurls.length) //Add that remainder to the number of entries to show for last RSS feed
		feedpointer.setNumEntries(items_to_show) //set number of items to display
		feedpointer.load(function(label){
			return function(r){
				displayer._fetch_data_as_array(r, label)
			}
		}(this.feedlabels[i])) //call Feed.load() to retrieve and output RSS feed.
	}
}


gfeedfetcher._formatdate=function(datestr, showoptions){
	var itemdate=new Date(datestr)
	var parseddate=(showoptions.indexOf("datetime")!=-1)? itemdate.toLocaleString() : (showoptions.indexOf("date")!=-1)? itemdate.toLocaleDateString() : (showoptions.indexOf("time")!=-1)? itemdate.toLocaleTimeString() : ""
	return ""+parseddate+""
}

gfeedfetcher._sortarray=function(arr, sortstr){
	var sortstr=(sortstr=="label")? "ddlabel" : sortstr //change "label" string (if entered) to "ddlabel" instead, for internal use
	if (sortstr=="title" || sortstr=="ddlabel"){ //sort array by "title" or "ddlabel" property of RSS feed entries[]
		arr.sort(function(a,b){
		var fielda=a[sortstr].toLowerCase()
		var fieldb=b[sortstr].toLowerCase()
		return (fieldafieldb)? 1 : 0
		})
	}
	else{ //else, sort by "publishedDate" property (using error handling, as "publishedDate" may not be a valid date str if an error has occured while getting feed
		try{
			arr.sort(function(a,b){return new Date(b.publishedDate)-new Date(a.publishedDate)})
		}
		catch(err){}
	}
}

gfeedfetcher.prototype._fetch_data_as_array=function(result, ddlabel){	
	var thisfeed=(!result.error)? result.feed.entries : "" //get all feed entries as a JSON array or "" if failed
	if (thisfeed==""){ //if error has occured fetching feed
		alert("Some blog posts could not be loaded: "+result.error.message)
	}
	for (var i=0; i")? "n" : ""
	gfeedfetcher._sortarray(feeds, this.sortstring)
	for (var i=0; i" + feeds[i].title + ""
		var itemlabel=/label/i.test(this.showoptions)? '['+this.feeds[i].ddlabel+']' : " "
		var itemdate=gfeedfetcher._formatdate(feeds[i].publishedDate, this.showoptions)
		var itemdescription=/description/i.test(this.showoptions)? ""+feeds[i].content : /snippet/i.test(this.showoptions)? ""+feeds[i].contentSnippet  : ""
		rssoutput+=this.itemcontainer + itemtitle + " " + itemlabel + " " + itemdate + "n" + itemdescription + this.itemcontainer.replace("< ", "") + "nn"
	}
	rssoutput+=(this.itemcontainer=="")? "" : ""
	this.feedcontainer.innerHTML=rssoutput
}

HTML Code

var newsfeed=new gfeedfetcher("rssfeeds", "rssfeedsclass", "_new")
newsfeed.addFeed("JQUERY BLOG", "http://www.jquery4u.com/feed/");
newsfeed.addFeed("BLOGOOLA's Blog", "http://blogoola.com/blog/feed/");
newsfeed.displayoptions("label datetime snippet");
newsfeed.setentrycontainer("p");
newsfeed.filterfeed(10, "date");
newsfeed.init();

Refresh live blog posts

CSS Code

/** RSS FEED **/
.labelfield{ color:brown; font-size: 90%; }
.datefield{ color:gray; font-size: 90%;}
#rssfeeds a{ color: purple;text-decoration: none;font-weight: bold;}
#rssfeeds p{ margin-bottom: 2px;}
code{ color: red;}
#blogoolafeed, #blogoolafeed a { color:white; }
#blogoolafeed a:hover{ color:#8E7BD3; }
#blogoolafeed ul { margin-left:-15px }
#rssfeed-wrap { text-align:left; margin-left:15px; }

Frequently Asked Questions (FAQs) about jQuery RSS Feed Display