How to display a banner or block only 1 time for the user using cookie and jquery

For this problem you can use how vanilla js or jquery.

var statusOff = getCookie("status");

if(statusOff == null){
    $(".popup").css("display", "block");
    document.cookie = 'status=1; path=/';
 }

 if(statusOff == "1"){
    $(".popup").css("display", "none");
 }

$('.epopup-close').click(function(){
    $(".popup").css("display", "none");
 });