TK Object Reference Example

app.js

var accounts = [];

function createAccount(userName_, initialBalance_) {
  var account = {
    balance: initialBalance_ || 0,
    userName: userName_ || ' '
  };
  
  accounts.push(account);

  return account;
}

firstAccount = createAccount('Bob', 5);
secondAccount = createAccount('Tom', 10);

console.log(accounts);