Ch2-3 JavaScript 논리 Boolean() 생성자 변환.html

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Hello World</title>
</head>
<body>

<script type="text/javascript">
	console.log(Boolean(1));    // true
	console.log(Boolean(-1));   // true
	console.log(Boolean(0));    // false
	console.log(Boolean(NaN));  // false
	console.log(Boolean("abc"));    // true
	console.log(Boolean("false"));  // true
	console.log(Boolean(""));   // false
	console.log(Boolean(null)); // false
	console.log(Boolean(undefined));// false
	console.log(Boolean([]));   // true
	console.log(Boolean({}));   // true
</script>

</body>
</html>