1
2
<html lang="en">3
<head>4
<title>Undefined</title>5
</head>6
<body>7
<script>8
let text;9
document.write(text);10
document.write("<br>");11
document.write(typeof(text));12
</script> 13
</body>14
</html><html lang="en"><head> <title>Undefined</title></head><body> <script> let text; document.write(text); document.write("<br>"); document.write(typeof(text)); </script> </body></html>