JSFiddle - React, Tailwind, and code Playground

by Hüseyin BABAL

HTML

<div class="block_holder">dasdasdasd</div>

JavaScript

$(document).ready(function() {

   if ($(window).width() > 990 ) {   
      $('.block_holder').hover(
       function(){
            $(this).find('.top_half').slideDown(450);
           alert("triggered");
          },

          function(){
              $(this).find('.top_half').slideUp(450);
          }
  )
 } 

});