palindrome solution

palindromes/palindromes.js

@@ -1,5 +1,11 @@
-var palindromes = function() {
+const palindromes = function(string) {
+  processedString = string.toLowerCase().replace(/[^A-Za-z]/g, "");
+  return (
+    processedString
+      .split("")
+      .reverse()
+      .join("") == processedString
+  );
+};
 
-}
-
-module.exports = palindromes
+module.exports = palindromes;

palindromes/palindromes.spec.js

@@ -1,20 +1,21 @@
-var palindromes = require('./palindromes')
+const palindromes = require("./palindromes");
 
-describe('palindromes', function() {
-  it('works with single words', function() {
-    expect(palindromes('racecar')).toEqual(true);
+describe("palindromes", () => {
+  it("works with single words", () => {
+    expect(palindromes("racecar")).toEqual(true);
   });
-  xit('works with punctuation', function() {
-    expect(palindromes('Racecar!')).toEqual(true);
+  it("works with punctuation", () => {
+    expect(palindromes("Racecar!")).toEqual(true);
   });
-  xit('works with multiple words', function() {
-    expect(palindromes('A car, a man, a maraca.')).toEqual(true);
+  it("works with multiple words", () => {
+    expect(palindromes("A car, a man, a maraca.")).toEqual(true);
   });
-  xit('works with multiple words', function() {
-    expect(palindromes('Animal loots foliated detail of stool lamina.')).toEqual(true);
+  it("works with multiple words", () => {
+    expect(
+      palindromes("Animal loots foliated detail of stool lamina.")
+    ).toEqual(true);
   });
-  xit('doesn\'t just always return true', function() {
-    expect(palindromes('ZZZZ car, a man, a maraca.')).toEqual(false);
+  it("doesn't just always return true", () => {
+    expect(palindromes("ZZZZ car, a man, a maraca.")).toEqual(false);
   });
-
 });