Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
$(document).on('click','.show_more',function(){
var no = $(this).attr('id');
$('.show_more').hide();
$('.loding').show();
$.ajax({
type:'POST',
url:'index.php',
data:'id='+no,
success:function(html){
$('#show_more_main'+no).remove();
}
});
}); 
