age_sort_test.js

// Sample data
const data = [
  { name: 'Geoffrey Mahugu', age: 21, gender: 'Male' },
  { name: 'Jane Doe', age: 40, gender: 'Female' },
  { name: 'John Doe', age: 31, gender: 'Male' },
  { name: 'Lucy Nancy', age: 29, gender: 'Female' },
  { name: 'Sandy Glane', age: 32, gender: 'Female' },
];

/* Function that acceps an array of objects and returns a sorted list of
   Users between 40 - 30 sorted by Gender
*/
getGroup(data) {
  const ageGroup = [];
  for (const i in data) {
    if (data[i].age >= 30 && data[i].age <= 40) {
      ageGroup.push(data[i]);
    }
  }
  const sortedData = ageGroup.sort((a, b) => a.gender.localeCompare(b.gender));
  return sortedData;
}
// Calling the function passing the array
getGroup(data);