<![CDATA[
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>prompt()로 사용자 입력받기</title>
<link rel="stylesheet" href="style_js.css">
<body>
<script>
let num, add;
num = prompt("숫자를 입력하세요");
document.write("num: " + num + "<hr>");
add = num + 22;
document.write("num + 22: " + add + "<hr>");
num = parseInt(num);
add = num + 22;
document.write("parseInt + 22: " + add);
</script>
</body>
</html>
]]>