check ul having li with specific class, jQuery

Question

I am trying to check ul or li elements whether have specific class every 5 seconds as folllows, but i am not getting result.

window.setInterval(function(){
  var a = $('ul li .current_page_item a').text();
  alert(a);
}, 5000);

how to do it ??

Answer 1

Remove the space between class selector and li otherwise, it may search for element with that class inside li .

window.setInterval(function(){
  var a = $('ul li.current_page_item a').text();
  // -------------^-------- here
  alert(a);
}, 5000);