find value from decimal value in javascript

Find max value in a decimal value in javascript.

function Solution(n){
  var newN = n.toFixed(2).toString().split('.');
  var final = '';
  if(newN.length > 1){
    if(newN[0] > newN[1]){
      final = newN[0];
    } else {
      final = newN[1];
    }
  } else {
    final = newN[0];
  }
  return parseInt(final);
}