Hi! This File belongs to karthick.
it contains Day 4 task file. 
including 
    1.index.html
    2. script.js- file for solution 
    3. 2 outputs as image format

questions:
I.do the below program in anonymous function & IIFE
    1. Print odd number in array
    2. convert all the strings to caps in string array.
    3. sum of all numbers in an array.
    4. return all the prime numbers in an array.
    5. return all the palindromes in an array;
    6. return median of two sorted arrays of the same size.
    7. remove duplicates from an array.
    8. rotate an array for k times.
II. Arrow function.
    1. print odd numbers in an array.
    2. convert all the strings to the title caps in a string array
    3. sum of all numbers in an array
    4. return all the prime numbers in an array.
    5. return all the palindromes in an array.