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10.8.1.2. The isPalindrome Function

/*Using our reverse function for strings, we can create our palindrome 
checker. Recall that our approach will be to take the string argument, 
reverse it, and then compare the reversed string to the original 
string.*/

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

function isPalindrome(str) {
   return reverse(str) === str;
}