002 jsgiris2.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
        <button onclick="alert('butona tıklandı')"> Bana tıkla!</button>
        <button onclick="document.write(5+15)"> Yaz </button>

        <script>
            console.log("Merhaba Konsol");           

        </script>
    
</body>
</html>