<html lang="ko">
<head>
<meta charset="UTF-8">
<title>JavaScript DataType</title>
</head>
<body>
<h1>숫자와 문자열의 덧셈</h1>
<p id="result"></p>
<script>
var num = 10;
var str = "JavaScript";
document.getElementById("result").innerHTML = (num + str);
</script>
</body>
</html>