From 6935c27dbe38da0488afef9aa52e0670289aa07f Mon Sep 17 00:00:00 2001
From: DerekJxy <54869065+DerekJxy@users.noreply.github.com>
Date: Tue, 26 Oct 2021 17:35:35 -0400
Subject: [PATCH 1/2] Update README.md

---
 README.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/README.md b/README.md
index ce1f268..dda3395 100644
--- a/README.md
+++ b/README.md
@@ -172,6 +172,16 @@ let mergedArray = helpful.mergeArrays([1, 2, 3], [2, 3, 4]); // [1, 2, 3, 4]
 
 **Return Type:** Array (`Array [1, 2, 3, 4]`)
 
+### average
+Find the average of an array
+```javascript
+let averageOfArray = helpful.average([1, 2, 4, 4]); // 2.75
+```
+**Parameters:**
+- array: Array (`[1, 2, 4, 4]`)
+
+**Return Type:** Number (`2.75`)
+
 ## Hex
 
 ### hex.convertFromString

From 52b278cff2ac79e1b705f068e6b4750422ddefad Mon Sep 17 00:00:00 2001
From: DerekJxy <derekjxy@gmail.com>
Date: Wed, 17 Nov 2021 15:00:32 -0500
Subject: [PATCH 2/2] Fix issue #27

---
 README.md      | 11 ++++++-----
 helpful.js     | 16 ++++++++++++++++
 test/tester.js |  7 +++++++
 3 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 77dd178..7ada02a 100644
--- a/README.md
+++ b/README.md
@@ -390,15 +390,16 @@ let deepFlattenedArray3 = helpful.deepFlattenArray([[0, 1], [2, [3, 4, [5, [6]]]
 
 **Return Type:** Array (`Array(5) [0, 1, 2, 3, 4]`)
 
-### average
-Find the average of an array
+### differenceOfObjects
+Finds the difference of two objects (any keys that are present in the second object are removed from the first)
 ```javascript
-let averageOfArray = helpful.average([1, 2, 4, 4]); // 2.75
+let differenceOfObjs = helpful.differenceOfObjects({"a": 1, "b": 2}, {"b": 3, "c": 4}); // {"a": 1}
 ```
 **Parameters:**
-- array: Array (`[1, 2, 4, 4]`)
+- object1: Object (`{"a": 1, "b": 2}`)
+- object2: Object (`{"b": 3, "c": 4}`)
 
-**Return Type:** Number (`2.75`)
+**Return Type:** Object (`{"a": 1}`)
 
 ## Hex
 
diff --git a/helpful.js b/helpful.js
index b17a45a..e47c648 100644
--- a/helpful.js
+++ b/helpful.js
@@ -235,6 +235,22 @@
 		return res;
 	}
 
+	helpful.differenceOfObjects = function(object1, object2){
+		if(Object.keys(object1).length === 0 || Object.keys(object2).length === 0) {
+			return [];
+		}
+		let array1 = Object.keys(object1);
+		let array2 = Object.keys(object2);
+		for(let i = 0; i < array1.length; i++){
+			for(let j = 0; j < array2.length; j++){
+				if(array1[i] == array2[j]){
+					delete object1[array1[i]]; 
+				}
+			}
+		}
+		return object1;
+	}
+
 	helpful.hex = {};
 
 	/* Modified from https://github.com/TogaTech/tEnvoy  */
diff --git a/test/tester.js b/test/tester.js
index 3bf5781..e906fc6 100644
--- a/test/tester.js
+++ b/test/tester.js
@@ -211,6 +211,13 @@ describe("Tests", function() {
 			let actual = helpful.deepFlattenArray([[0, 1], [2, [3, 4, [5, [6]]]]]);
 			assert.deepEqual(expected, actual);
 		});
+
+		i++;
+		it(`${i}: differenceOfObjects - Should remove any keys from the first object that are presented in the second object`, function() {
+			let expected = {"a": 1};
+			let actual = helpful.differenceOfObjects({"a": 1, "b": 2}, {"b": 3, "c": 4});
+			assert.deepEqual(expected, actual);
+		});
     
 	});
 	describe("Hex", function() {