index.js

// index.js
let counter = 0;

const generateId = () => {/* */};

class StudentManagement {
  constructor() {/* */}

  add() {/* */}

  getStudent() {/* */}

  score(id, performance) {
    if (performance >= 0 && performance <= 100) {
      this.#students.find((student) => {
        if (student.id === id) {
          student.performance = performance;
        }
      });
    } else throw new Error("Score should be between 0 and 100");
  }
}