reduce_function.js

// cartItem array
const cartItem = [
  { id: 1, name: "Apple", price: 120, quantity: 2 },
  { id: 2, name: "Banana", price: 60, quantity: 5 },
  { id: 3, name: "Orange", price: 100, quantity: 3 },
];

const subTotal = cartItem.reduce((subtotal, product) => {
  return subtotal + product.price * product.quantity;
}, 0);

// console.log(subTotal);
// name, score array
const students = [
  { name: "Rahim", score: 85 },
  { name: "Karim", score: 78 },
  { name: "Amina", score: 92 },
];

// get the best student

const bestStudent = students.reduce((bestStudent, students) => {
  console.log(bestStudent, students);
  if (bestStudent.score > students.score) {
    return bestStudent;
  }

  return students;
}, students[0]);

console.log("Best student score is : ", bestStudent);