flashing alert

[khalil]

Code:

$(function(){
  if (window.grp) {
    var timer;
   
    grp.listen('0/1/24', function(object) {
      if (object.value) {
        if (!timer) {
          timer = setInterval(function() {
            $('.alert').toggleClass('hide');
          }, 1000);
        }
      }
      else {
        $('.alert').removeClass('hide');
        clearInterval(timer);
        timer = null;
      }
    });
  };
});

Hello

I entered the script but I have a lot of error messages you can check it again thanks
? p.s  my object 1/7/20  thanks

I used the script and its works fine.
do you insert the script in the custom JavaScript page: Scripting> Tools> Edit custom JavaScript