TheCodePeople · Mustafa88A · Mar 1, 2024
diff --git a/arrays-basics.js b/arrays-basics.js
@@ -2,46 +2,66 @@
  Task 8 (logArray): 
    Create a function logArray that receives an array as a parameter and logs each item in the array.
 **************************************************************/
-function logArray(arr) {}
-
+// function logArray(arr) {
+//   arr.forEach((v, i) => {
+//     console.log(v);
+//   });
+// }
 // logArray([1, 2, 3, 4, 5]);
 
 /**************************************************************
    Task 9 (logArrayWithIndex): 
      Create a function logArrayWithIndex that receives an array as a parameter and logs each item in the array along with its index.
   **************************************************************/
-function logArrayWithIndex(arr) {}
+// function logArrayWithIndex(arr) {
+//   arr.forEach((value, index) => {
+//     console.log(`${value}  ${index}`);
+//   });
+// }
 
 // logArrayWithIndex(["apple", "banana", "orange"]);
 
 /**************************************************************
    Task 10 (logEvenNumbers): 
      Create a function logEvenNumbers that receives an array of numbers as a parameter and logs only the even numbers in the array.
   **************************************************************/
-function logEvenNumbers(arr) {}
-
+// function logEvenNumbers(arr) {
+//   let evenNumb = arr.every((value, index) => {
+//     return value % 2;
+//   });
+//   console.log(evenNumb);
+// }
 // logEvenNumbers([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
-
 /**************************************************************
    Task 11 (logArrayBackwards): 
      Create a function logArrayBackwards that receives an array as a parameter and logs each item in the array in reverse order.
   **************************************************************/
-function logArrayBackwards(arr) {}
+// function logArrayBackwards(arr) {
+//   return arr.reverse();
+// }
 
-// logArrayBackwards(["one", "two", "three", "four"]);
+// console.log(logArrayBackwards(["one", "two", "three", "four"]));
 
 /**************************************************************
    Task 12 (logLastItem): 
      Create a function logLastItem that receives an array as a parameter and logs the last item in the array.
   **************************************************************/
-function logLastItem(arr) {}
+// function logLastItem(arr) {
+//   let last = arr[arr.length - 1];
+//   console.log(last);
+// }
 
 // logLastItem(["a", "b", "c", "d"]);
-
 /**************************************************************
    Task 13 (logArrayInChunks): 
      Create a function logArrayInChunks that receives an array and a chunk size as parameters and logs the items in the array in chunks of the specified size.
   **************************************************************/
-function logArrayInChunks(arr, chunkSize) {}
+function logArrayInChunks(arr, chunkSize) {
+  for (i = 0; i < arr.length; i = i + chunkSize) {
+    let sum = arr.slice(i, i + chunkSize);
+    // return chunkSize;
+    console.log(sum);
+  }
+}
 
-// logArrayInChunks([1, 2, 3, 4, 5, 6, 7, 8, 9], 3);
+logArrayInChunks([1, 2, 3, 4, 5, 6, 7, 8, 9], 3);
diff --git a/arrays-intermediate.js b/arrays-intermediate.js
@@ -5,8 +5,14 @@
 **************************************************************/
 function sumArray(numbers) {
   //TODO: Add your code here
+  let sumArr = numbers.reduce((acc, curr) => {
+    return acc + curr;
+  });
+  return sumArr;
+  // why would anyine use consol.log(sumarr) it to look for an undefoed value?
 }
-// console.log(sumArray([4, 3, 2, 5, -10]));
+
+console.log(sumArray([4, 3, 2, 5, -10]));
 
 /**************************************************************
  Task 2:
@@ -17,10 +23,14 @@ function sumArray(numbers) {
 **************************************************************/
 function findFirstStringStartingWithLetter(letter, strings) {
   //TODO: Add your code here
+  let findFirst = strings.find((value, index) => {
+    return value.startsWith(letter.toUpperCase());
+  });
+  return findFirst;
 }
-// console.log(
-//   findFirstStringStartingWithLetter("h", ["Memory", "Hello", "Happy"])
-// );
+console.log(
+  findFirstStringStartingWithLetter("h", ["Memory", "Hello", "Happy"])
+);
 
 /**************************************************************
  Task 3:
@@ -31,16 +41,20 @@ function findFirstStringStartingWithLetter(letter, strings) {
 **************************************************************/
 function isPresentIncluded(presentName, presents) {
   //TODO: Add your code here
+  let present = presents.map((value, index) => {
+    return value.toLowerCase().includes(presentName);
+  });
+  return present;
 }
-// console.log(
-//   isPresentIncluded("puzzle", [
-//     "Sparkling Surprise",
-//     "Enchanted Elegance",
-//     "Whimsical Wonder",
-//     "Joyful Jingle",
-//     "Puzzle",
-//   ])
-// );
+console.log(
+  isPresentIncluded("puzzle", [
+    "Sparkling Surprise",
+    "Enchanted Elegance",
+    "Whimsical Wonder",
+    "Joyful Jingle",
+    "Puzzle",
+  ])
+);
 
 /**************************************************************
  Task 4:
@@ -51,21 +65,23 @@ function isPresentIncluded(presentName, presents) {
 **************************************************************/
 function sortStudentsAlphabetically(students) {
   //TODO: Add your code here
+
+  return students.sort();
 }
-// console.log(
-//   sortStudentsAlphabetically([
-//     "Eve",
-//     "Jasmia",
-//     "Husnia",
-//     "Grace",
-//     "Bob",
-//     "Charlie",
-//     "Alice",
-//     "Dave",
-//     "Um abbas",
-//     "Frank",
-//   ])
-// );
+console.log(
+  sortStudentsAlphabetically([
+    "Eve",
+    "Jasmia",
+    "Husnia",
+    "Grace",
+    "Bob",
+    "Charlie",
+    "Alice",
+    "Dave",
+    "Um abbas",
+    "Frank",
+  ])
+);
 
 /**************************************************************
   Task 5:
@@ -79,11 +95,25 @@ function sortStudentsAlphabetically(students) {
 **************************************************************/
 function separateOddEven(numbers) {
   //TODO: Add your code here
+  numbers.forEach((value) => {
+    let odd = [];
+    let even = [];
+    if (value % 2 === 0) {
+      odd.pop(value);
+      even.push(value);
+      console.log(`the arr is even ${even}`);
+    } else {
+      odd.push(value);
+      even.pop(value);
+      console.log(`the arr is odd ${odd}`);
+    }
+  });
+  return numbers;
 }
-// console.log(separateOddEven([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]));
+console.log(separateOddEven([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]));
 
 /**************************************************************
- Task 6:
+ Task 6:  
   Create a function that takes two parameters: a code that represents an item, and an array of item codes, then removes the item with the given code from the system.
   - Hint: Use the filter method.
   - e.g
@@ -101,15 +131,18 @@ function separateOddEven(numbers) {
 **************************************************************/
 function removeItem(code, items) {
   //TODO: Add your code here
+  return items.filter((item) => {
+    return item.code !== code;
+  });
 }
-// console.log(
-//   removeItem("#153", [
-//     { code: "#153", name: "Ball" },
-//     { code: "#147", name: "Scissors" },
-//     { code: "#249", name: "Pillow" },
-//     { code: "#149", name: "Tissue" },
-//   ])
-// );
+console.log(
+  removeItem("#153", [
+    { code: "#153", name: "Ball" },
+    { code: "#147", name: "Scissors" },
+    { code: "#249", name: "Pillow" },
+    { code: "#149", name: "Tissue" },
+  ])
+);
 
 /**************************************************************
 Task 7:
@@ -158,14 +191,24 @@ Task 7:
 **************************************************************/
 function updateGrades(curve, students) {
   //TODO: Add your code here
+  let updatedStudents = [...students];
+  updatedStudents.map((student) => {
+    if (student.type === "nerd") {
+      student.grade - curve;
+    } else {
+      student.grade + curve;
+    }
+    return student;
+  });
+  return updatedStudents;
 }
-// console.log(
-//   updateGrades(10, [
-//     { firstName: "Jaber", lastName: "jabarbar", grade: 10, type: "regular" },
-//     { firstName: "Hamza", lastName: "Alhamazi", grade: 12, type: "regular" },
-//     { firstName: "Jasem", lastName: "Jamasmas", grade: 15, type: "nerd" },
-//     { firstName: "Kadhim", lastName: "Khadhmia", grade: 5, type: "regular" },
-//     { firstName: "Um Abbas", lastName: "IDK", grade: 20, type: "nerd" },
-//     { firstName: "Johny", lastName: "Micle", grade: 10, type: "regular" },
-//   ])
-// );
+console.log(
+  updateGrades(10, [
+    { firstName: "Jaber", lastName: "jabarbar", grade: 10, type: "regular" },
+    { firstName: "Hamza", lastName: "Alhamazi", grade: 12, type: "regular" },
+    { firstName: "Jasem", lastName: "Jamasmas", grade: 15, type: "nerd" },
+    { firstName: "Kadhim", lastName: "Khadhmia", grade: 5, type: "regular" },
+    { firstName: "Um Abbas", lastName: "IDK", grade: 20, type: "nerd" },
+    { firstName: "Johny", lastName: "Micle", grade: 10, type: "regular" },
+  ])
+);
diff --git a/arrays.js b/arrays.js
diff --git a/index.html b/index.html
@@ -1,12 +1,13 @@
 <!DOCTYPE html>
 <html lang="en">
-<head>
-    <meta charset="UTF-8">
-    <meta http-equiv="X-UA-Compatible" content="IE=edge">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <head>
+    <meta charset="UTF-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Arrays</title>
-</head>
-<body>
-    <script src="./arrays.js" type="module" />
-</body>
-</html>
+  </head>
+  <body>
+    <!-- <script src="./arrays.js" type="module" /> -->
+    <script src="arrays-intermediate.js"></script>
+  </body>
+</html>
diff --git a/reviewers.js b/reviewers.js
@@ -6,8 +6,9 @@ console.log("🚀 ~ file: reviewers.js:2 ~ reviewers:", reviewers);
 ***********************************************************************/
 function getReviewerName(reviewer) {
   //TODO: ADD YOUR CODE HERE
+  return reviewer.reviewerName;
 }
-// console.log(getReviewerName(reviewers[0]));
+console.log(getReviewerName(reviewers[0]));
 
 /*********************************************************************** 
 - Receives a reviewer object and returns the number of reviews that reviewer has done.