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<!DOCTYPE html>
<html lang="ko">

<head>
	<meta charset="UTF-8">
	<title>JavaScript DataType</title>
</head>

<body>

	<h1>typeof 연산자</h1>
	<p id="result"></p>

	<script>
		document.getElementById("result").innerHTML = (typeof 10) + "<br>";
		document.getElementById("result").innerHTML += (typeof "문자열") + "<br>";
		document.getElementById("result").innerHTML += (typeof true) + "<br>";
		document.getElementById("result").innerHTML += (typeof undefined) + "<br>";
		document.getElementById("result").innerHTML += (typeof null);
	</script>
	
</body>

</html>