diff --git a/.results.json b/.results.json
new file mode 100644
index 000000000..4b5cfb8ee
--- /dev/null
+++ b/.results.json
@@ -0,0 +1,396 @@
+{
+  "stats": {
+    "suites": 11,
+    "tests": 27,
+    "passes": 27,
+    "pending": 0,
+    "failures": 0,
+    "start": "2025-05-23T14:13:32.484Z",
+    "end": "2025-05-23T14:13:32.592Z",
+    "duration": 108
+  },
+  "tests": [
+    {
+      "title": "calls alert with each element passed",
+      "fullTitle": "index.js myEach calls alert with each element passed",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "calls alert properly on object values",
+      "fullTitle": "index.js myEach calls alert properly on object values",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the original collection",
+      "fullTitle": "index.js myEach returns the original collection",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "successfully returns a correctly populated array",
+      "fullTitle": "index.js myMap successfully returns a correctly populated array",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original array",
+      "fullTitle": "index.js myMap does not modify the original array",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "successfully returns a correctly populated array from modified object values",
+      "fullTitle": "index.js myMap successfully returns a correctly populated array from modified object values",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myMap does not modify the original object",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the correct reduced value when passed an initial value",
+      "fullTitle": "index.js myReduce returns the correct reduced value when passed an initial value",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the correct reduced value when not passed an initial value",
+      "fullTitle": "index.js myReduce returns the correct reduced value when not passed an initial value",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original array",
+      "fullTitle": "index.js myReduce does not modify the original array",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the correct reduced value from object values",
+      "fullTitle": "index.js myReduce returns the correct reduced value from object values",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myReduce does not modify the original object",
+      "duration": 1,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the value if found",
+      "fullTitle": "index.js myFind returns the value if found",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not traverse the whole array if the value is found early",
+      "fullTitle": "index.js myFind does not traverse the whole array if the value is found early",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns undefined if the value is not present",
+      "fullTitle": "index.js myFind returns undefined if the value is not present",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly filters for values that the callback evaluates as true",
+      "fullTitle": "index.js myFilter correctly filters for values that the callback evaluates as true",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly returns an empty array if no matching values are found",
+      "fullTitle": "index.js myFilter correctly returns an empty array if no matching values are found",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly returns the size of the collection when an array is passed",
+      "fullTitle": "index.js mySize correctly returns the size of the collection when an array is passed",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly returns the size of the collection (amount of keys) when an object is passed",
+      "fullTitle": "index.js mySize correctly returns the size of the collection (amount of keys) when an object is passed",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the first element of the collection",
+      "fullTitle": "index.js myFirst returns the first element of the collection",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the first n elements of the collection when the second optional argument (n) is provided",
+      "fullTitle": "index.js myFirst returns the first n elements of the collection when the second optional argument (n) is provided",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the last element of the collection",
+      "fullTitle": "index.js myLast returns the last element of the collection",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the last n elements of the collection when the second optional argument (n) is provided",
+      "fullTitle": "index.js myLast returns the last n elements of the collection when the second optional argument (n) is provided",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "retrieves all the names of the object's own enumerable properties",
+      "fullTitle": "index.js myKeys retrieves all the names of the object's own enumerable properties",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myKeys does not modify the original object",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "retrieves all the values of the object's own properties",
+      "fullTitle": "index.js myValues retrieves all the values of the object's own properties",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myValues does not modify the original object",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    }
+  ],
+  "pending": [],
+  "failures": [],
+  "passes": [
+    {
+      "title": "calls alert with each element passed",
+      "fullTitle": "index.js myEach calls alert with each element passed",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "calls alert properly on object values",
+      "fullTitle": "index.js myEach calls alert properly on object values",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the original collection",
+      "fullTitle": "index.js myEach returns the original collection",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "successfully returns a correctly populated array",
+      "fullTitle": "index.js myMap successfully returns a correctly populated array",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original array",
+      "fullTitle": "index.js myMap does not modify the original array",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "successfully returns a correctly populated array from modified object values",
+      "fullTitle": "index.js myMap successfully returns a correctly populated array from modified object values",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myMap does not modify the original object",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the correct reduced value when passed an initial value",
+      "fullTitle": "index.js myReduce returns the correct reduced value when passed an initial value",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the correct reduced value when not passed an initial value",
+      "fullTitle": "index.js myReduce returns the correct reduced value when not passed an initial value",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original array",
+      "fullTitle": "index.js myReduce does not modify the original array",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the correct reduced value from object values",
+      "fullTitle": "index.js myReduce returns the correct reduced value from object values",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myReduce does not modify the original object",
+      "duration": 1,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the value if found",
+      "fullTitle": "index.js myFind returns the value if found",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not traverse the whole array if the value is found early",
+      "fullTitle": "index.js myFind does not traverse the whole array if the value is found early",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns undefined if the value is not present",
+      "fullTitle": "index.js myFind returns undefined if the value is not present",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly filters for values that the callback evaluates as true",
+      "fullTitle": "index.js myFilter correctly filters for values that the callback evaluates as true",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly returns an empty array if no matching values are found",
+      "fullTitle": "index.js myFilter correctly returns an empty array if no matching values are found",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly returns the size of the collection when an array is passed",
+      "fullTitle": "index.js mySize correctly returns the size of the collection when an array is passed",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "correctly returns the size of the collection (amount of keys) when an object is passed",
+      "fullTitle": "index.js mySize correctly returns the size of the collection (amount of keys) when an object is passed",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the first element of the collection",
+      "fullTitle": "index.js myFirst returns the first element of the collection",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the first n elements of the collection when the second optional argument (n) is provided",
+      "fullTitle": "index.js myFirst returns the first n elements of the collection when the second optional argument (n) is provided",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the last element of the collection",
+      "fullTitle": "index.js myLast returns the last element of the collection",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "returns the last n elements of the collection when the second optional argument (n) is provided",
+      "fullTitle": "index.js myLast returns the last n elements of the collection when the second optional argument (n) is provided",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "retrieves all the names of the object's own enumerable properties",
+      "fullTitle": "index.js myKeys retrieves all the names of the object's own enumerable properties",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myKeys does not modify the original object",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "retrieves all the values of the object's own properties",
+      "fullTitle": "index.js myValues retrieves all the values of the object's own properties",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    },
+    {
+      "title": "does not modify the original object",
+      "fullTitle": "index.js myValues does not modify the original object",
+      "duration": 0,
+      "currentRetry": 0,
+      "err": {}
+    }
+  ]
+}
\ No newline at end of file
diff --git a/index.js b/index.js
index e69de29bb..7fb0b0480 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,81 @@
+const myEach = (collection, callback) => {
+  if (Array.isArray(collection)) {
+    collection.forEach(item => {
+      callback(item);
+    });
+  } else {
+    for (let key in collection) {
+      callback(collection[key]);
+    }
+  }
+  return collection;
+};
+
+const myMap = (collection, callback) => {
+  if (Array.isArray(collection)) {
+    return collection.map(function (value, index) {
+      return callback(value, index);
+    });
+  } else {
+    return Object.keys(collection).map(function (key) {
+      return callback(collection[key], key);
+    });
+  }
+};
+
+const myReduce = (collection, callback, acc) => {
+  const values = Array.isArray(collection) ? collection : Object.values(collection);
+
+  if (acc !== undefined) {
+    return values.reduce(function (accumulator, currentValue) {
+      return callback(accumulator, currentValue, collection);
+    }, acc);
+  } else {
+    return values.reduce(function (accumulator, currentValue) {
+      return callback(accumulator, currentValue, collection);
+    });
+  }
+};
+
+const myFind = (collection, predicate) => {
+  const values = Array.isArray(collection) ? collection : Object.values(collection);
+  return values.find(function (value) {
+    return predicate(value);
+  });
+};
+
+const myFilter = (collection, predicate) => {
+  const values = Array.isArray(collection) ? collection : Object.values(collection);
+  return values.filter(function (value) {
+    return predicate(value);
+  });
+};
+
+const mySize = (collection) => {
+  const values = Array.isArray(collection) ? collection : Object.values(collection);
+  return values.length;
+}
+
+const myFirst = (array, n) => {
+  if (n === undefined) {
+    return array[0];
+  } else {
+    return array.slice(0, n);
+  }
+};
+
+const myLast = (array, n) => {
+  if (n === undefined) {
+    return array[array.length - 1];
+  } else {
+    return array.slice(-n);
+  }
+};
+
+const myKeys = (object) => {
+  return Object.keys(object);
+};
+
+const myValues = (object) => {
+  return Object.values(object);
+};
diff --git a/package.json b/package.json
index 81c96dcdb..08185a726 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "JavaScript Variables Lab for Learn.co",
   "main": "index.js",
   "scripts": {
-    "test": "mocha --timeout 5000 -R mocha-multi --reporter-options spec=-,json=.results.json"
+    "test": "mocha --timeout 5000 -R mocha-multi --reporter-options spec=-,json=.results.json -b"
   },
   "repository": {
     "type": "git",