flashing alert

[Nir70]

Code:

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$(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

Thanks, I inserted the scrap as you just said. How now I enable it after inserting a JavaScript page: Scripting> Tools> Edit custom JavaScript?