❗️Что будет на выходе?

const data = [
  { id: 1, name: 'Alice', age: 17, gender: 'Female' },
  { id: 2, name: 'Bob', age: 30, gender: 'Male' },
  { id: 3, name: 'Charlie', age: 25, gender: 'Female' },
  { id: 4, name: 'David', age: 35, gender: 'Male' },
  { id: 4, name: 'John', age: 31 },
];

const result = data.filter(person => person.gender === 'Male').map(person => person.age).reduce((acc, age) => acc + age, 0);

console.log(result);

Ответ: 65

JavaScript test | #JavaScript