diff --git a/index.js b/index.js
index 66b60b4..2338ede 100644
--- a/index.js
+++ b/index.js
@@ -14,8 +14,11 @@
  */
 function find(array, callback) {
   for (let element of array) {
-    // Write your code here.
+    if (callback(element)) {
+      return element;
+    }
   }
+  return undefined;
 }
 
 /**
@@ -35,7 +38,7 @@ function find(array, callback) {
 function filter(array, callback) {
   const result = [];
   for (let element of array) {
-    // Write your code here.
+    if(callback(element)) { result.push(element)}
   }
   return result;
 }
@@ -57,7 +60,7 @@ function filter(array, callback) {
 function map(array, callback) {
   const result = [];
   for (let element of array) {
-    // Write your code here.
+    result.push(callback(element))
   }
   return result;
 }
@@ -77,7 +80,7 @@ function map(array, callback) {
  */
 function forEach(array, callback) {
   for (let i = 0; i < array.length; i++) {
-    // Write your code here.
+    callback(array[i], i,array)
   }
 }
 
diff --git a/package-lock.json b/package-lock.json
index d4363f5..5c181a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,6 +5,7 @@
   "requires": true,
   "packages": {
     "": {
+      "name": "8-0-higher-order-functions-lab",
       "version": "1.0.0",
       "license": "ISC",
       "devDependencies": {