Assignment Description:Create a JavaScript program for managing bank accounts. Implement a 'BankAccount class with the following functionalities:$1.$ Constructor:Parameters: 'accountNumber" $($string$),$ 'accountHolder' $($string$),$ 'balance' $($number$)$Initializes the bank account with the provided account number, account holder name, and balance$\mathrm{.}2.$ Deposit Method:Parameters: amount $($number$)$Adds the provided amount to the account balance$\mathrm{.}3.$ Withdraw Method:Parameters: amount $($number$)$Deducts the provided amount from the account balance if sufficient funds are available$\mathrm{.}4.$ Check Balance Method:No parametersReturns the current balance of the account$\mathrm{.}5.$ Account Information Method:No parametersReturns a string containing account information including account number, account holder name, and current balance.Export the class as a module and import it into a class called banktester.js$.$ Implement a simple program in this file using the test code biEnsure proper error handling for invalid inputs or insufficient balance during withdrawals.Sample Usage:$//$ Create a new bank accountlet account$1=$ new BankAccount$("123456789",$ "John Doe", $1000)$;$//$ Deposit fundsaccount$1.$deposit$(500)$;$//$ Withdraw fundsaccount$1.$withdraw$(200)$;$//$ Check balanceconsole. log$($account$1.$checkBalance$))$: $//$ Output: $1300//$ Display account informationconsole.log$($account$1.$accountinformation$)$: $/$ Output: Account Number: $123456789,$ Account Holder: John Doe, Balance: $$1300$