assignment16.js

// function getStringKeys(obj) {
//     let stringKeys= Object.keys(obj).filter(key => typeof obj[key] === 'string');
//        return stringKeys
// }
// const input={name:"John",age:25,city:"New York",occupation:42};
//  console.log(getStringKeys(input));


// function swapKeysAndValues(obj) {
//     const swappedObj = {};
//     for (let key in obj) {
//         if (obj.hasOwnProperty(key)) {
//             swappedObj[obj[key]] = key;
//         }
//     }
//     return swappedObj;
// }
//   const input={a:1,b:2,c:3}
//   console.log(swapKeysAndValues(input))





function createBankAccount(initialBalance) {
    let balance = initialBalance;
    return {
        deposit: function(amount) {
            if (amount > 0) {
                balance += amount;
                return `Deposited: $${amount}. New balance: $${balance}`;
            } else {
                return "Deposit amount must be greater than zero.";
            }
            return;
        },
        withdraw: function(amount) {
            if (amount > 0 && amount <= balance) {
                balance -= amount;
                return `Withdrew: $${amount}. Remaining balance: $${balance}`;
            } else if (amount > balance) {
                return "Insufficient balance.";
            } else {
                return "Withdrawal amount must be greater than zero.";
            }
            return;
        },
        checkBalance: function() {
            return `Current balance: $${balance}`;    
        }
    };
}
const myAccount = createBankAccount(200);
console.log(myAccount.deposit(50));  
console.log(myAccount.withdraw(30));  
console.log(myAccount.checkBalance()); 
console.log(myAccount.withdraw(200));  





// function sumToSingleDigits(num) {
//     while (num >= 10) {
//         let digits = num.toString().split('');
//         let sum = 0;
//         for (let digit of digits) {
//             sum += Number(digit);  
//         }
//         num = sum;  
//     }
//     return num;  
// }
//  console.log(sumToSingleDigits(12345))
//  console.log(sumToSingleDigits(987))
//  console.log(sumToSingleDigits(9999))
//  console.log(sumToSingleDigits(5))


//    function getStringKeys(obj){
//     let string_keys=Object.keys(obj).filter(key=>typeof obj[key]==="string")
//      return string_keys
//    }
//    const input={name:"John",age:25,city:"New York",occupation:42}
// / /      console.log(getStringKeys(input))

// function swapKeysAndValues(obj){
//     const swappedObj={};
//     for(let key in obj){
//         if(obj.hasOwnProperty(key)){
//             swappedObj[obj[key]]=key
//         }
//     }return swappedObj
// }
//  const input={1:"a",2:"b",3:"c"}
//  console.log(swapKeysAndValues(input))



// function createBankAccount(initialBalance){
//     let balance=initialBalance
//     return{
//         deposit:function(amount){
//             if(amount>0){
//                 balance+=amount
//                 return `Deposited: ${amount}. New balance:${balance}`
//             }
//             else {
//                 return `Deposit amount must be greater than zero`
//             }
//             return;
//         },
//         withdraw:function(amount){
//             if(amount>0&&amount<=balance){
//                 balance-=amount
//                 return `Withdraw: ${amount}. Remaining balance: ${balance}.`
//             }
//             else if(amount>balance){
//                 return `Insufficient balance`
//             }
//             else{ return `Withdrawal amount must be greater than zero`}
//             return;
//         },
//         checkBalance:function(){
//             return `Current balance: ${balance}`
//         }
    
// }}

// const account1=createBankAccount(200)
// console.log(account1.deposit(50))
// console.log(account1.withdraw(30))
// console.log(account1.checkBalance())
// console.log(account1.withdraw(200))

// const account2=createBankAccount(500)
// console.log(account2.deposit(80))
// console.log(account2.withdraw(20))
// console.log(account2.checkBalance())
// console.log(account2.withdraw(600))


// function sumToSingleDigits(num){
//     while (num>=10){
//         let digits =num.toString().split('')
//         let sum =0
//         for (let digit of digits){
//             sum+=Number(digit)
//         }
//       num=sum}
//       return num
// }
//  console.log(sumToSingleDigits(1,2,3,4,5))