比较操作符

2017-06-15 10:55:00
admin
原创
531
<!DOCTYPE html>
<html>
	<head>
		<title>
			Relational Operators Example 1
		</title>
		<script type="text/javascript">
			var result1 = 5 > 3; //true
			var result2 = 5 < 3; //false
			var result3 = "Brick" < "alphabet"; //true
			var result4 = "Brick".toLowerCase() < "alphabet".toLowerCase(); //false
			var result5 = "23" < "3"; //true
			var result6 = "23" < 3; //false
			var result7 = "a" < 3; //false because "a" becomes NaN
			var result8 = NaN < 3; //false
			var result9 = NaN >= 3; //false
			alert(result1);
			alert(result2);
			alert(result3);
			alert(result4);
			alert(result5);
			alert(result6);
			alert(result7);
			alert(result8);
			alert(result9);
		</script>
	</head>
	<body>
	</body>
</html>
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