003 FINAL source welcome message

<html>

<head>
    <title>JavaScript</title>
</head>

<body>
    <div class="output"></div>
    Name : <input type="text" value="Laurence">
    <button type="button">Message</button>
    <script >
    const output = document.querySelector(".output");
    const button = document.querySelector("button");
    const myName = document.querySelector("input");
    console.log(button);
    button.addEventListener("click",showMessage);
    function showMessage(){
        output.innerHTML = "<h1>Hello welcome, "+myName.value+"</h1>";
    }
    </script>
</body>

</html>