DONE THE CHALLENGE 💃

SYTYCD-TypeScript.ts

@@ -1,33 +1,34 @@
 // A small program that checks student grades and gives feedback
 
 function calculateAverage(grades: number[]): number {
-    let total = 0
-    for (let i = 0; i <= grades.length; i++) {
-        total += grades[i]
-    }
-    return total / grades.length
+  let total = 0;
+  for (let i = 0; i < grades.length; i++) {
+    total += grades[i];
+  }
+  return total / grades.length;
 }
 
 function giveFeedback(name: string, average: number) {
-    if (average = 100) {
-        console.log(name + " is a genius!")
-    } else if (average > 90) {
-        console.log(name + " did excellent work.")
-    } else if (average > 75 && average < 90) {
-        console.log(name + " did well.")
-    } else {
-        console.log(name + " needs to improve.")
-    }
+  if (average === 100) {
+    console.log(name + " is a genius!");
+  } else if (average > 90) {
+    console.log(name + " did excellent work.");
+  } else if (average > 75 && average < 90) {
+    console.log(name + " did well.");
+  } else {
+    console.log(name + " needs to improve.");
+  }
 }
 
 const students = [
-    { name: "Ali", grades: [100, 95, 90] },
-    { name: "Sara", grades: [70, 60, 50] },
-    { name: "Omar", grades: [85, 80, "75"] },
-    { name: "Lina", grades: [null, 100, 90] }
-]
+  { name: "Ali", grades: [100, 95, 90] },
+  { name: "Sara", grades: [70, 60, 50] },
+  { name: "Omar", grades: [85, 80, 75] },
+  { name: "Lina", grades: [100, 90] },
+];
 
 for (let student of students) {
-    const avg = calculateAverage(student.grade)
-    giveFeedback(student.name, avg)
+  const avg = calculateAverage(student.grades);
+  console.log(avg);
+  giveFeedback(student.name, avg);
 }