switch 2fcase with numeric range

1int i = 63;
2
3switch (i)
4{
5    case int n when (n >= 100):
6        Console.WriteLine($"I am 100 or above: {n}");
7        break;
8
9    case int n when (n < 100 && n >= 50 ):
10        Console.WriteLine($"I am between 99 and 50: {n}");
11        break;
12
13    case int n when (n < 50):
14        Console.WriteLine($"I am less than 50: {n}");
15        break;
16}

1function getCategory(age) {  
2    var category = "";  
3    switch (true) {  
4        case isNaN(age):  
5            category = "not an age";  
6            break;  
7        case (age >= 50):  
8            category = "Old";  
9            break;  
10        case (age <= 20):  
11            category = "Baby";  
12            break;  
13        default:  
14            category = "Young";  
15            break;  
16    };  
17    return category;  
18}  
19getCategory(5);  // will return "Baby"