let str = ""
let monitorInchSize = 24
switch (monitorInchSize) {
case 15:
str = "too small"
break
case 16: case 17: case 18:
str = "good for the past decade"
break
case 19: case 20: case 21:
case 22: case 23:
str = "for office work"
break
case 24: case 25: case 26:
case 27:
str = "great choice"
break
default:
str = ""
break
}
//str is "great choice"
console.log(`str is "${str}"`)