Почему код не работает?

Question

let number = readLine();

switch(number){
case 1:
console.log("Light");
break;
case 2:
console.log("Dark");
break;
case 3:
console.log("Indigo");
break;
}

Answer 1

https://www.sololearn.com/discuss/2866976/?ref=app
https://www.sololearn.com/discuss/2902962/?ref=app

Answer 2

Try to get number value:

var num = parseInt(number);
switch (num){
...