Christopher Budhram | Passes all 20 test cases

session-01/validators.js

@@ -6,8 +6,37 @@
   - username may contain numbers and letters
   - username cannot contain special characters
 */
-function validUsername(username) {
-  return;
+function validUsername(username){
+
+  // Capturing name length
+  let nameLength = username.length;
+
+  // Checking to see if the name is correct in length.
+  if (nameLength < 3 || nameLength > 10) {
+      return false;
+  }
+
+  // Checking to see if it begins with a letter, as well as number declaration
+  const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+  const numbers = "1234567890";
+  const specialCharacters = "!@#$%^&*(),./?[];:`~|";
+
+  // comparison between to see if it is a leter
+  for (let i = 0; i < username.length; i++){
+    const char = username.charAt(i);
+
+  // Check if the first character is a letter
+    if (i === 0 && !alphabet.includes(char)) {
+      return false;
+    }
+
+    // Checking to see if the name has numbers are no special characters
+    if (!numbers.includes(char) && specialCharacters.includes(char)){
+      return false;
+    }
+  }
+
+  return true;
 }
 
 /*
@@ -16,8 +45,48 @@ function validUsername(username) {
   - password must be between (and including) 10-64 characters in length
   - password must contain at least 1 letter, 1 number, and 1 special character
 */
-function validPassword(password) {
-  return;
+function validPassword(password){
+
+  let passwordLength = password.length;
+
+  // Checking to see if the password is long enough
+  if (passwordLength < 10 || passwordLength > 64){
+      return false;
+  }
+
+  // creating const variables
+  const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+  const numbers = "1234567890";
+  const specialCharacters = "!@#$%^&*(),./?[];:`~|";
+
+  // should return true for passwords w/ 1 letter, 1 number, and 1 special character 
+  // these are a true of false trip bascially
+  let Check1 = false;
+  let Check2 = false;
+  let Check3 = false;
+
+  for (let i = 0; i < password.length; i++){
+    const char = password.charAt(i);
+
+    if (alphabet.includes(char)) {
+      Check1 = true;
+    }
+
+    if (numbers.includes(char)){
+      Check2 = true;
+    }
+
+    if (specialCharacters.includes(char)){
+      Check3 = true;
+    }
+  }
+
+
+  // if all 3 checks are positive, then the password is accepted
+  if (!Check1 || !Check2 || !Check3){
+    return false;
+  }
+  return true;
 }
 
 module.exports = { validUsername, validPassword };

session-02/exercise.js

@@ -3,7 +3,16 @@
   For example, for the input ["cat", "hat"], return ["CAT", "HAT"]
 */
 function transformArrayToUpper(listOfStrings) {
-  return;
+  // instalization of an empty array
+  const uppercaseStrings = [];
+
+  // iterate through the inital array, and convert every element to uppercase
+  for (const index of listOfStrings){
+    uppercaseStrings.push(index.toUpperCase());
+  }
+
+  // return the converted array
+  return uppercaseStrings;
 }
 
 /*
@@ -16,7 +25,16 @@ function transformArrayToUpper(listOfStrings) {
     the function should return 51
 */
 function sumOfAllAges(listOfStudentObjects) {
-  return;
+  //Initalize the empty age variable
+  let totalAge = 0;
+
+  //for every entry, add that age to the total age;
+  for (const index of listOfStudentObjects){
+    if (index.age) totalAge += index.age;
+  }
+
+  //Return the total age
+  return totalAge;
 }
 
 module.exports = { transformArrayToUpper, sumOfAllAges };