diff --git a/js/filterLongWords.js b/js/filterLongWords.js
index e69de29..240cf5f 100644
--- a/js/filterLongWords.js
+++ b/js/filterLongWords.js
@@ -0,0 +1,14 @@
+var arrayWords = ["this", "is", "an", "array"];
+var maxLength = 3;
+var newArray = [];
+
+function filterLongWords(arrayWords) {
+	for(i=0; i<arrayWords.length; i++) {
+		if (arrayWords[i].length > maxLength) {
+			newArray.push(arrayWords[i]);
+		} 
+	}
+	console.log(newArray);
+}
+
+filterLongWords(arrayWords);
\ No newline at end of file
diff --git a/js/grade.js b/js/grade.js
index e69de29..bbfc567 100644
--- a/js/grade.js
+++ b/js/grade.js
@@ -0,0 +1,22 @@
+grade = (score) => {
+	switch (true) {
+		case (score > 90):
+			grade = "A";
+			break; 
+		case (score > 80):
+			grade = "B";
+			break;
+		case (score > 70):
+			grade = "C";
+			break;
+		case (score > 60):
+			grade = "D";
+			break;
+		case (score > 50):
+			grade = "E";
+			break;
+	}
+	console.log(grade);
+};
+
+grade(55);
\ No newline at end of file
diff --git a/js/phonebook.js b/js/phonebook.js
index e69de29..52932b7 100644
--- a/js/phonebook.js
+++ b/js/phonebook.js
@@ -0,0 +1,35 @@
+var phoneBook = {
+  "Abe": "111-111-1111",
+  "Bob": "222-222-2222",
+  "Cam": "333-333-3333",
+  "Dan": "444-444-4444",
+  "Ern": "555-555-5555",
+  "Fry": "111-111-1111",
+  "Gil": "222-222-2222",
+  "Hal": "333-333-3333",
+  "Ike": "444-444-4444",
+  "Jim": "555-555-5555",
+  "Kip": "111-111-1111",
+  "Liv": "222-222-2222",
+  "Mia": "333-333-3333",
+  "Nik": "444-444-4444",
+  "Oli": "555-555-5555",
+  "Pam": "111-111-1111",
+  "Qiq": "222-222-2222",
+  "Rob": "333-333-3333",
+  "Stu": "444-444-4444",
+  "Tad": "555-555-5555",
+  "Uwe": "111-111-1111",
+  "Val": "222-222-2222",
+  "Wil": "333-333-3333",
+  "Xiu": "444-444-4444",
+  "Yam": "555-555-5555",
+  "Zed": "111-111-1111"
+};
+
+for (var i in phoneBook) {
+  // loops over each key
+  if (phoneBook[i] === "333-333-3333") {
+    console.log(i);
+  }
+}
\ No newline at end of file
diff --git a/js/reverse.js b/js/reverse.js
index e69de29..1bce4a5 100644
--- a/js/reverse.js
+++ b/js/reverse.js
@@ -0,0 +1,11 @@
+reverseString = (stringed) => {
+	let reversed = "";
+	for(i=(stringed.length - 1); i>=0; i--) {
+		reversed += stringed[i];
+		// console.log(i);
+	}
+	console.log(reversed);
+}
+
+var inputString = 'building';
+reverseString(inputString);