diff --git a/index.test.js b/index.test.js
index 772e0f2..5b1af17 100644
--- a/index.test.js
+++ b/index.test.js
@@ -223,6 +223,32 @@ describe('CompareObjectVals tests', () => {
       expect(compareVals.updatedVals).toBe(null);
       expect(compareVals.deletedVals).toBe(null);
     });
+
+  test('mirror values w/ multiple rows', () => {
+    const ob1 = [
+      { id: 1, key2: 'test1' },
+      { id: 2, key2: 'test' }
+    ];
+    const { createdVals, updatedVals, deletedVals } = compareObjectVals([ob1, ob1], 'id');
+        expect(deletedVals).toStrictEqual(null);
+        expect(updatedVals).toStrictEqual(null);
+        expect(createdVals).toStrictEqual(null);
+  });
+
+  test('values have nonmatching key values', () => {
+    const ob1 = [
+      { id: 1, key2: 'test1' },
+      { other: 2, key2: 'test' }
+    ];
+    const ob2 = [
+      { id: 1, key2: 'anothertest' },
+      { other: 5, key2: 'testd' }
+    ]
+    const { createdVals, updatedVals, deletedVals } = compareObjectVals([ob1, ob2]);
+        expect(deletedVals).toStrictEqual([{ key2: "test", other: 2}]);
+        expect(updatedVals).toStrictEqual([{ id: 1, key2: 'anothertest' }]);
+        expect(createdVals).toStrictEqual([{ other: 5, key2: 'testd' }]);
+  })
 });
 
 const originalArrayItem = [1, 2, 'five', true, 33];
@@ -238,7 +264,7 @@ test('compareArrayVals functionality', () => {
     expect(deletedVals).toStrictEqual([2, 'five']);
   });
 
-test('CompareObjectVals input wrong length', () => {
+test('input wrong length', () => {
     try {
       compareArrayVals([originalArrayItem]);
     } catch (e) {
diff --git a/package-lock.json b/package-lock.json
index 2e2de8c..37e5869 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -764,6 +764,18 @@
       "integrity": "sha512-RJJrrySY7A8havqpGObOB4W92QXKJo63/jFLLgpvOtsGUqbQZ9Sbgl35KMm1DjC6j7AvmmU2bIno+3IyEaemaw==",
       "dev": true
     },
+    "@types/strip-bom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/strip-bom/-/strip-bom-3.0.0.tgz",
+      "integrity": "sha1-FKjsOVbC6B7bdSB5CuzyHCkK69I=",
+      "dev": true
+    },
+    "@types/strip-json-comments": {
+      "version": "0.0.30",
+      "resolved": "https://registry.npmjs.org/@types/strip-json-comments/-/strip-json-comments-0.0.30.tgz",
+      "integrity": "sha512-7NQmHra/JILCd1QqpSzl8+mJRc8ZHz3uDm8YV1Ks9IhK0epEiTw8aIErbvH9PI+6XbqhyIQy3462nEsn7UVzjQ==",
+      "dev": true
+    },
     "@types/yargs": {
       "version": "15.0.12",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-15.0.12.tgz",
@@ -862,6 +874,12 @@
         "picomatch": "^2.0.4"
       }
     },
+    "arg": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
+      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
+      "dev": true
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -1081,6 +1099,12 @@
         "tweetnacl": "^0.14.3"
       }
     },
+    "binary-extensions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "dev": true
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1181,6 +1205,41 @@
       "integrity": "sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==",
       "dev": true
     },
+    "chokidar": {
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.2.tgz",
+      "integrity": "sha512-ekGhOnNVPgT77r4K/U3GDhu+FQ2S8TnK/s2KbIGXi0SZWuwkZ2QNyfWdZW+TVfn84DpEP7rLeCt2UI6bJ8GwbQ==",
+      "dev": true,
+      "requires": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "fsevents": "~2.3.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      },
+      "dependencies": {
+        "anymatch": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.2.tgz",
+          "integrity": "sha512-P43ePfOAIupkguHUycrc4qJ9kz8ZiuOUijaETwX7THt0Y/GNK7v0aa8rY816xWjZ7rJdA5XdMcpVFTKMq+RvWg==",
+          "dev": true,
+          "requires": {
+            "normalize-path": "^3.0.0",
+            "picomatch": "^2.0.4"
+          }
+        },
+        "fsevents": {
+          "version": "2.3.2",
+          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+          "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
     "ci-info": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
@@ -1306,6 +1365,12 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "create-require": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
+      "integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==",
+      "dev": true
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -1454,6 +1519,12 @@
       "integrity": "sha512-TLz+x/vEXm/Y7P7wn1EJFNLxYpUD4TgMosxY6fAVJUnJMbupHBOncxyWUG9OpTaH9EBD7uFI5LfEgmMOc54DsA==",
       "dev": true
     },
+    "diff": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+      "dev": true
+    },
     "diff-sequences": {
       "version": "26.6.2",
       "resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-26.6.2.tgz",
@@ -1477,6 +1548,15 @@
         }
       }
     },
+    "dynamic-dedupe": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/dynamic-dedupe/-/dynamic-dedupe-0.3.0.tgz",
+      "integrity": "sha1-BuRMIj9eTpTXjvnbI6ZRXOL5YqE=",
+      "dev": true,
+      "requires": {
+        "xtend": "^4.0.0"
+      }
+    },
     "ecc-jsbn": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
@@ -1896,6 +1976,15 @@
         "path-is-absolute": "^1.0.0"
       }
     },
+    "glob-parent": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
+      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
+      "dev": true,
+      "requires": {
+        "is-glob": "^4.0.1"
+      }
+    },
     "globals": {
       "version": "11.12.0",
       "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
@@ -2109,6 +2198,15 @@
       "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=",
       "dev": true
     },
+    "is-binary-path": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "dev": true,
+      "requires": {
+        "binary-extensions": "^2.0.0"
+      }
+    },
     "is-buffer": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
@@ -2185,6 +2283,12 @@
       "integrity": "sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=",
       "dev": true
     },
+    "is-extglob": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
+      "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
+      "dev": true
+    },
     "is-fullwidth-code-point": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
@@ -2197,6 +2301,15 @@
       "integrity": "sha512-cTIB4yPYL/Grw0EaSzASzg6bBy9gqCofvWN8okThAYIxKJZC+udlRAmGbM0XLeniEJSs8uEgHPGuHSe1XsOLSQ==",
       "dev": true
     },
+    "is-glob": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
+      "integrity": "sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==",
+      "dev": true,
+      "requires": {
+        "is-extglob": "^2.1.1"
+      }
+    },
     "is-number": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
@@ -3061,6 +3174,12 @@
         }
       }
     },
+    "make-error": {
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
+      "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==",
+      "dev": true
+    },
     "makeerror": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/makeerror/-/makeerror-1.0.11.tgz",
@@ -3158,6 +3277,12 @@
         }
       }
     },
+    "mkdirp": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+      "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
+      "dev": true
+    },
     "mri": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/mri/-/mri-1.1.4.tgz",
@@ -3600,6 +3725,15 @@
         "type-fest": "^0.8.1"
       }
     },
+    "readdirp": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
+      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "dev": true,
+      "requires": {
+        "picomatch": "^2.2.1"
+      }
+    },
     "regex-not": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.2.tgz",
@@ -4335,6 +4469,12 @@
       "integrity": "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA==",
       "dev": true
     },
+    "strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "dev": true
+    },
     "supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -4460,6 +4600,75 @@
         "punycode": "^2.1.1"
       }
     },
+    "tree-kill": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
+      "integrity": "sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==",
+      "dev": true
+    },
+    "ts-node": {
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-9.1.1.tgz",
+      "integrity": "sha512-hPlt7ZACERQGf03M253ytLY3dHbGNGrAq9qIHWUY9XHYl1z7wYngSr3OQ5xmui8o2AaxsONxIzjafLUiWBo1Fg==",
+      "dev": true,
+      "requires": {
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "source-map-support": "^0.5.17",
+        "yn": "3.1.1"
+      }
+    },
+    "ts-node-dev": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/ts-node-dev/-/ts-node-dev-1.1.8.tgz",
+      "integrity": "sha512-Q/m3vEwzYwLZKmV6/0VlFxcZzVV/xcgOt+Tx/VjaaRHyiBcFlV0541yrT09QjzzCxlDZ34OzKjrFAynlmtflEg==",
+      "dev": true,
+      "requires": {
+        "chokidar": "^3.5.1",
+        "dynamic-dedupe": "^0.3.0",
+        "minimist": "^1.2.5",
+        "mkdirp": "^1.0.4",
+        "resolve": "^1.0.0",
+        "rimraf": "^2.6.1",
+        "source-map-support": "^0.5.12",
+        "tree-kill": "^1.2.2",
+        "ts-node": "^9.0.0",
+        "tsconfig": "^7.0.0"
+      },
+      "dependencies": {
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
+      }
+    },
+    "tsconfig": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/tsconfig/-/tsconfig-7.0.0.tgz",
+      "integrity": "sha512-vZXmzPrL+EmC4T/4rVlT2jNVMWCi/O4DIiSj3UHg1OE5kCKbk4mfrXc6dZksLgRM/TZlKnousKH9bbTazUWRRw==",
+      "dev": true,
+      "requires": {
+        "@types/strip-bom": "^3.0.0",
+        "@types/strip-json-comments": "0.0.30",
+        "strip-bom": "^3.0.0",
+        "strip-json-comments": "^2.0.0"
+      },
+      "dependencies": {
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
+        }
+      }
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -4506,9 +4715,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.2.tgz",
-      "integrity": "sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true
     },
     "union-value": {
@@ -4758,6 +4967,12 @@
       "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
       "dev": true
     },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "dev": true
+    },
     "y18n": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
@@ -4792,6 +5007,12 @@
         "camelcase": "^5.0.0",
         "decamelize": "^1.2.0"
       }
+    },
+    "yn": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index c399065..ed35821 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "crud-object-diff",
-  "version": "2.3.5",
+  "version": "2.3.6",
   "description": "Helper utilities to compare objects or arrays for obtaining created, updated, & deleted values.",
   "main": "dist/index.js",
   "repository": {
@@ -37,13 +37,15 @@
   "author": "Tim M",
   "license": "MIT",
   "scripts": {
-    "start": "npx tsc",
+    "start": "npx ts-node-dev --respawn --transpile-only src/index.ts",
+    "build": "npx tsc",
     "test": "jest --verbose --coverage"
   },
   "devDependencies": {
     "jest": "^26.6.3",
     "make-coverage-badge": "^1.2.0",
-    "typescript": "^4.3.2"
+    "ts-node-dev": "^1.1.8",
+    "typescript": "^4.3.5"
   },
   "jest": {
     "coverageReporters": [
diff --git a/src/main.ts b/src/main.ts
index 78cab70..63afc16 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -75,15 +75,16 @@ function compareObjectVals<T extends object> (
       }
 
       originalSameKeyValue = sameKeyVal || originalSameKeyValue;
+      // create a boolean key tracker (activeSameKeyValue) for each inner row 
+      // key every time the outer row is ran to obtain whether or not a value was created.
       activeSameKeyValue[j] = sameKeyVal || activeSameKeyValue[j] || false;
+      
       var isLastOriginalItemRun = i === originalItem.length - 1;
-
       if (isLastOriginalItemRun && !activeSameKeyValue[j]) {
          createdVals.push(activeItem[j]);
       }
       else if (
-        isLastOriginalItemRun &&
-        activeSameKeyValue[j] &&
+        sameKeyVal &&
         !isEqualObject(originalItem[i], activeItem[j])) {
         updatedVals.push(activeItem[j]);
       }