Tic Tac Toe part1

Tell us what’s happening:

Your code so far

function checkCashRegister(price, cash, cid) {
  var change;
  // Here is your change, ma'am.
  return change;
}

// Example cash-in-drawer array:
// [["PENNY", 1.01],
// ["NICKEL", 2.05],
// ["DIME", 3.10],
// ["QUARTER", 4.25],
// ["ONE", 90.00],
// ["FIVE", 55.00],
// ["TEN", 20.00],
// ["TWENTY", 60.00],
// ["ONE HUNDRED", 100.00]]

checkCashRegister(19.50, 20.00, [["PENNY", 1.01], ["NICKEL", 2.05], ["DIME", 3.10], ["QUARTER", 4.25], ["ONE", 90.00], ["FIVE", 55.00], ["TEN", 20.00], ["TWENTY", 60.00], ["ONE HUNDRED", 100.00]]);

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Linux; Android 7.1.1; SM-T555 Build/NMF26X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.137 Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/exact-change

Do you have a question or problem?