script2.js

// // Print odd numbers in an array
// // Convert all the strings to title caps in a string array
// // Sum of all numbers in an array
// // Return all the prime numbers in an array
// // Return all the palindromes in an array 

// //1. Print odd numbers in an array

// let numberArray = [1, 2, 3, 4, 5, 6, 98, 101, 467]

// console.log("Odd Numbers in Number Array are: " + numberArray.filter((item) => {

//     return item % 2 !== 0

// }))

// //2.Convert all the strings to title caps in a string array

// let stringArray = ["Madhan", "is", "a", "smart", "developer"]

// stringArray = stringArray.map((item) => {

//     return item.toUpperCase()

// })

// console.log("Converted String Array is: " + stringArray)

// //3.Sum of all numbers in an array
// //using numArray Defined Above

// let sum = numberArray.reduce((currentTotal, item) => {

//     return currentTotal + item

// }, 0)

// console.log("Sum of elements in Number Array: " + sum)

// //4.Return all the prime numbers in an array

// console.log("Prime Number is Array are: " +
//     numberArray.filter((item) => {

//         for (let i = 2; i < item; i++) {
//             if (item % i === 0)
//                 return false;
//         }
//         return item !== 1;

//     }))

// //5.Return all the palindromes in an array 

// let arrayPallindrome = [111, 102, 505, 323, 612, 776, 707, 121]

// console.log("Pallindrome Numbers in array are: " +
//     arrayPallindrome.filter((item) => {

//         let temp = item + "";

//         if (temp.split('').reverse().join('') === item + "")
//             return true

//         return false

//     }))