diff --git a/reverseString/reverseString.js b/reverseString/reverseString.js
index febb577..ae3d742 100644
--- a/reverseString/reverseString.js
+++ b/reverseString/reverseString.js
@@ -1,5 +1,12 @@
-const reverseString = function() {
+const reverseString = function(sourceString) {
 
+    let revString = '';
+
+    for (let i = sourceString.length - 1; i >= 0; i--) {
+        revString += sourceString[i];
+    }
+
+    return revString;
 }
 
-module.exports = reverseString
+module.exports = reverseString
\ No newline at end of file
diff --git a/reverseString/reverseString.spec.js b/reverseString/reverseString.spec.js
index fe135e9..bbfff74 100644
--- a/reverseString/reverseString.spec.js
+++ b/reverseString/reverseString.spec.js
@@ -1,18 +1,18 @@
 const reverseString = require('./reverseString')
 
 describe('reverseString', function() {
-  it('reverses single word', function() {
-    expect(reverseString('hello')).toEqual('olleh');
-  });
+    it('reverses single word', function() {
+        expect(reverseString('hello')).toEqual('olleh');
+    });
 
-  xit('reverses multiple words', function() {
-    expect(reverseString('hello there')).toEqual('ereht olleh')
-  })
+    it('reverses multiple words', function() {
+        expect(reverseString('hello there')).toEqual('ereht olleh')
+    })
 
-  xit('works with numbers and punctuation', function() {
-    expect(reverseString('123! abc!')).toEqual('!cba !321')
-  })
-  xit('works with blank strings', function() {
-    expect(reverseString('')).toEqual('')
-  })
-});
+    it('works with numbers and punctuation', function() {
+        expect(reverseString('123! abc!')).toEqual('!cba !321')
+    })
+    it('works with blank strings', function() {
+        expect(reverseString('')).toEqual('')
+    })
+});
\ No newline at end of file