rss parser para wordpress

rss-feed.js

$(document).ready(function() {
    //feed to parse
    var feed = "https://cors-anywhere.herokuapp.com/https://comunicacionconvalor.com/feed/";
    var html = "";

    $.ajax(feed, {
      accepts:{
          xml:"application/rss+xml"
      },
      dataType:"xml",
      success:function(data) {
        //Credit: http://stackoverflow.com/questions/10943544/how-to-parse-an-rss-feed-using-javascript
        var i = 0;
        $(data).find("item").each(function () {
          if (i < 4){
            var el = $(this);
            var description = el.find("description").text();
            var slice = description.slice(0,100) + "...";

            var title = el.find("title").eq(0).text();
            var categories = "";
            el.find("category").each(function() {
              categories += " " + $(this).text();
            });
            var tags = categories;
            var link = el.find("link").text();
            var thumbnail;

            if($.browser.webkit){
              thumbnail = el.find('thumbnail').attr('url');
            }
            if($.browser.mozilla) {
              thumbnail = el.find('media\\:thumbnail').attr('url');
            }

            if(thumbnail == undefined){
              thumbnail = "assets/images/logo.png"; //cualquier imagen para fallback
            }
            else {
              thumbnail = thumbnail + "?w=440&h=297&crop=1";
            }

            var post = "<div class='ipost col-sm-6 bottommargin clearfix'>"+
            "<div class='row'>"+
            "<div class='col-md-6'>"+
            "<div class='entry-image nobottommargin'>"+
            "<a href='"+ link +"' target='_blank'>"+
            "<img src='"+ thumbnail +"' alt='sl-studio-img' />"+
            "</a>"+
            "</div>"+
            "</div>"+
            "<div class='col-md-6' style='margin-top: 5px;'>"+
            "<span class='before-heading' style='font-style: normal;'>"+ tags +"</span>"+
            "<div class='entry-title'>"+
            "<h3 class=''><a href='"+ link +"' target='_blank'>"+ title +"</a></h3>"+
            "</div>"+
            "<div class='entry-content'>"+
            "<p>"+ slice +"</p>"+
            "<a href='"+ link +"' target='_blank' class='more-link'>Continuar leyendo <i class='icon-angle-right'></i></a>"+
            "</div>"+
            "</div>"+
            "</div>"+
            "</div>";
            html = html + post;
            i++
          }
        });
        document.getElementById("blog-sec").innerHTML = html;

      }
    });

  });