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How to find the second lowest digit in int number with JavaScript

1 Answer

0 votes
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

*/

 





answered Jun 10, 2020 by avibootz

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