Please explain this code, this is not working, I don't know why?

Question

let hour = 14

switch (hour) {
case hour >= 6 && hour < 12:
console.log('Good Morning');
break; //if hour is between 6am to 12pm then print 'Good Morning'

case hour >= 12 && hour <= 18:
console.log('Good Afternoon');
break; //if hour is between 12pm to 6pm then print 'Good Morning'

default:
console.log ('Good Evening');
break; //otherwise just print 'Good Evening'
}

Please see this code tell me if there are any syntax errors or some other errors because I'm always getting 'Good Evening', Help me.

Answer 1

Use of relational operators in case statement is not allowed.

Relational operators: >, <, >=, etc.

//Your code be like
let hour = 14

switch (hour) {
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
console.log('Good Morning');
break; //if hour is between 6am to 12pm then print 'Good Morning'

case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
console.log('Good Afternoon');
break; //if hour is between 12pm to 6pm then print 'Good Morning'

default:
console.log ('Good Evening');
break; //otherwise just print 'Good Evening'
}