$(document).ready(function(){ checkNews(); setInterval(function(){ checkNews(); }, 60000); }); function checkNews(){ let newCnt = 15; let objMenuNews = $('.menu-li-news'); if(newCnt > 0 && objMenuNews.length > 0){ if(objMenuNews.children('.badge-count').length
=== 0){ objMenuNews.append(' 
<span class="badge-count news">+' + newCnt + '</span>'); } } }