Javascript-Coding-Questions

1. Reverse a given string using JavaScript?
2. Find the sum of all elements/numbers of a given array?
3. How can we create an object in JS?
4. How to get the status of a CheckBox ?
5. How to explain closures in JavaScript and when to use it ?
6. How can style/class of an element be changed ?
7. Given two strings, return true if they are anagrams of one another. Write code.
8. Write code to convert an array of strings to an array of the lengths of those strings.
9. Write code to sum an array of numbers.
10. Write a simple function that returns a boolean indicating whether or not a string is a palindrome.