JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>

  <script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
  
    <p>mouse deneme</p>


<script>
    function(){
        $("p").mouseover(function(){
            $(this).css("color","red");
    });
    
        
    
    };

</script>

</body>
</html>