diff --git a/reverseString/reverseString.js b/reverseString/reverseString.js
index febb577..e71e8d0 100644
--- a/reverseString/reverseString.js
+++ b/reverseString/reverseString.js
@@ -1,5 +1,9 @@
-const reverseString = function() {
-
+const reverseString = function(str) {
+    let rts='';
+    for (let index = str.length-1; index>=0; index--) {
+        rts=rts + str.substr(index,1);        
+    }
+    return rts;
 }
 
 module.exports = reverseString
diff --git a/reverseString/reverseString.spec.js b/reverseString/reverseString.spec.js
index fe135e9..86ab904 100644
--- a/reverseString/reverseString.spec.js
+++ b/reverseString/reverseString.spec.js
@@ -5,14 +5,14 @@ describe('reverseString', function() {
     expect(reverseString('hello')).toEqual('olleh');
   });
 
-  xit('reverses multiple words', function() {
+  it('reverses multiple words', function() {
     expect(reverseString('hello there')).toEqual('ereht olleh')
   })
 
-  xit('works with numbers and punctuation', function() {
+  it('works with numbers and punctuation', function() {
     expect(reverseString('123! abc!')).toEqual('!cba !321')
   })
-  xit('works with blank strings', function() {
+  it('works with blank strings', function() {
     expect(reverseString('')).toEqual('')
   })
 });