Addition_subtraction_Division_Production_Numbers

//Find sum, subtraction, Product, Division
function common(...values) {
  var filterValue = values.filter((item) => typeof item == "number");
  if(filterValue.length < 1) {
    throw new Error("All Entered arguments are not valid numbers");
  }
  return filterValue;
}

function commonError(...values) {
  if((typeof values[0] != "number") || (values[0] == 0))
    throw new Error ("Please enter non zero number ");
}

const sum = (...rest) => {
  const validItems = common(...rest);
  const totalValue = validItems.reduce( (total, currentValue) => total + currentValue);
  return totalValue;
};
console.log("Total : ",sum(1, 2, 3, undefined));
console.log("Total : ",sum(1, 2, undefined, 4));
console.log("Total : ",sum(undefined, 2, 0, undefined));
console.log("Total : ",sum(undefined, undefined, undefined, undefined));

const product = (...rest) => {
  const validItems = common(...rest);
  const prod = validItems.reduce( (prod, currentValue) => prod * currentValue);
  return prod  
};
//console.log("Product : ",product(undefined, 0, 3, 2));

const division = (...rest) => {
  const validItems = common(...rest);
  var filterValue = rest.filter((item) => typeof item == "number");
  commonError(...rest)
  const div = filterValue.reduce((div, currentValue) => div / currentValue);
  return div;
}
//console.log("Division : ",division(0, 2, 3, 4))

const subtraction = (...rest) => {
  const validItems = common(...rest);
  commonError(...rest);
  const sub = validItems.reduce((sub, currentValue) => sub - currentValue);
  return sub;
}
//console.log("Subtraction : ",subtraction(20, 5, 3, 2));
//console.log("Subtraction : ",subtraction(undefined, 1, 3, 2));
//console.log("Subtraction : ",subtraction(0, 5, 3, 2));