Fraction for Rupiah

const fractions = [100000, 50000, 20000, 10000, 5000, 1000, 500, 100, 50];

var result = [];
var noFractionValue;

function doCheckNoFraction(input) {
  return input < fractions[fractions.length-1]
}

function doCalculate(input) {
  noFractionValue = doCheckNoFraction(input) ? input : 0;
  
  if (noFractionValue > 0) {
    return 'sisa : ' + noFractionValue;
  }
  
  for (var i = 0; i < fractions.length; i++) {
    var total = 0;
    if (input >= fractions[i]) {
      if (input / fractions[i] > 0 || input === fractions[i]) {
        total = (input - (input % fractions[i]))/fractions[i];
        input = input % fractions[i];
        
        if (doCheckNoFraction(input)) {
          noFractionValue = input;
          console.log('sisa : ' + noFractionValue);
        }
        
        result.push({
          fractionValue: fractions[i],
          total: total
        });
      }
    }
  }
  return result;
}


console.log(doCalculate(12))