open_in_new content_copy 
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Environment setup</title>
</head>

<body>
    <div id="root">
        {{message}}
    </div>

    <script type="text/javascript" src="vue.js"></script>
    <script type="text/javascript">
        var app = new Vue({
            el: '#root',  /* element */
            data: { message: "Hello World" }
        });
    </script>
</body>

</html>