What does the following function do in JavaScript?function isPalindrome(str) {str = str.toLowerCase();return str === str.split('').reverse().join('');}

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Q: What does the following function do in JavaScript?

function isPalindrome(str) {
str = str.toLowerCase();
return str === str.split('').reverse().join('');
}

A calculates the area of a circle
B converts a string to uppercase
C checks if a string is a palindrome
D sorts an array in ascending order

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Answer: C

Explanation:

This function takes in a single argument, str, and uses the toLowerCase() method to convert the string to lowercase.
It then uses the split(), reverse(), and join() methods to check if the string is a palindrome (i.e., it reads the same forwards and backwards).

Q: What does the following function do in JavaScript? function isPalindrome(str) { str = str.toLowerCase(); return str === str.split('').reverse().join(''); }

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Q: What does the following function do in JavaScript?
function isPalindrome(str) { str = str.toLowerCase(); return str === str.split('').reverse().join(''); }