Changes

var cleanup = markup.replace(/<(.|\n)*?>/g, '');

var cleanup = markup.replace(/<(.|\n)*?>/g, '');

arr = cleanup.split("\n");

arr = cleanup.split("\n");

var filtered = arr.filter(function (el) {

var filtered = arr.filter(function(entry) { return entry.trim() != ''; });

  return el != null;

});

console.log(filtered);

console.log(filtered);