целое число

js/script.js

var val0 = 5;
var val1 = Number();
val1 = 10;
var val2 = Number(15);
var valOct = 017;
var valHex = 0xF;
function funMake() {
document.write(val0 + '<br />');
document.write(val1 + '<br />');
document.write(val2 + '<br />');
document.write(valOct + '<br />');
document.write(valHex + '<br />');
document.write(typeof(val0) + '<br />');
}

var val0 = 5;
var val1 = Number();
val1 = 10;
var val2 = Number(15);
var valOct = 017;
var valHex = 0xF;

function funMake() {
 document.write(val0 + '
');
 document.write(val1 + '
');
 document.write(val2 + '
');
 document.write(valOct + '
');
 document.write(valHex + '
');
 document.write(typeof(val0) + '
');
}

index.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>New Page</title>
<script src="js/script.js"></script>
</head>
<body>
<script>
funMake();
</script>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>New Page</title>
<script src="js/script.js"></script>
</head>
<body>
<script>
funMake();
</script>
</body>
</html>