Question

How to sum the digits of a number in Node.js

Answer 1

function sumDigits(num) {
    let sum = 0;
    while (num != 0) {
        sum += num % 10;
        num = Math.floor(num / 10);
    }
    return sum;
}
  
 
const n = 12098;
      
console.log(sumDigits(n));
 
   
     
     
/*
run:
     
20
     
*/

 

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