function getTheSecondLowestDigit(n) {
let min = 9
let befor_min = min;
while (n != 0) {
const x = n % 10;
if (x < min) {
befor_min = min;
min = x;
} else if (x < befor_min && x != min) {
befor_min = x;
}
n = parseInt(n / 10)
}
return befor_min;
}
let n = 213;
console.log(getTheSecondLowestDigit(n));
n = 76594;
console.log(getTheSecondLowestDigit(n));
n = 76429;
console.log(getTheSecondLowestDigit(n));
n = 76300;
console.log(getTheSecondLowestDigit(n));
n = 111;
if (getTheSecondLowestDigit(n) == 9)
console.log("There is no second lowest number");
/*
run:
2
5
4
3
There is no second lowest number
*/