Exercise 09 - Palindromes

Write a function that determines whether or not a given string is a palindrome.

A palindrome is a string that is spelled the same both forwards and backwards, usually without considering punctuation or word breaks:

some palindromes:

• A car, a man, a maraca.
• Rats live on no evil star.
• Lid off a daffodil.
• Animal loots foliated detail of stool lamina.
• A nut for a jar of tuna.

palindromes('racecar') // true
palindromes('tacos') // false