h2ospace/keys.html

## keys.html
<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Underscore</title>

	<script src="underscore-min.js"></script>
</head>
<body>

<script>
	(function() {

		var x;
		var user = {
			name: 'taguchi',
			score: 80,
			web: 'http://dotinstall.com'
		};

		x = _.keys(user);
		x = _.values(user);
		x = _.invert(user);
		x = _.has(user, "name");
		// isEmpty, isString, isNull, isNumber
		x = _.isString(user.score);
		console.log(x);
	})();
</script>

</body>
</html>
	<!doctype html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Underscore</title>

	<script src="underscore-min.js"></script>
	</head>
	<body>

	<script>
	(function() {

	var x;
	var user = {
	name: 'taguchi',
	score: 80,
	web: 'http://dotinstall.com'
	};

	x = _.keys(user);
	x = _.values(user);
	x = _.invert(user);
	x = _.has(user, "name");
	// isEmpty, isString, isNull, isNumber
	x = _.isString(user.score);
	console.log(x);
	})();
	</script>

	</body>
	</html>