JavaScript:实现判断字符串是否可以被重新排列成回文算法
/**
* Receives a string and returns whether it can be rearranged to become a palindrome or not
* The string can only be a palindrome if the count of ALL characters is even or if the ONLY ONE character count is odd
* Input is a string
*
**/
export const palindromeRearranging = (str) => {
//