<!DOCTYPE html>
<html>
<head>
<title>My HTML-page</title>
<script>
<!--Твій JavaScript-код тут-->
console.log("Hello, world");
</script>
</head>
<body>
<!-- Вміст сторінки -->
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Hello JavaScript</title>
</head>
<body>
</body>
</html>
<script>
var name = 'Jack'
console.log(name)
</script>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Hello JavaScript</title>
</head>
<body>
</body>
</html>
<script type="module" src="app.js" defer>
</script>