emea-frontend-quiz

function groupByGender(users = []) {
  let genderGroup = {
    male: [],
    female: []
  }

  users.map(el => {
    if (parseInt(el.age) >= 30 && parseInt(el.age) <= 40) {
      if (el.gender.toLowerCase() === 'male') {
        genderGroup.male.push(el)
      }
      if (el.gender.toLowerCase() === 'female') {
        genderGroup.female.push(el)
      }
    }
  })

  return genderGroup;
}

// Test case
const obj = [
  {name: 'chris', age: 25, gender: 'male'},
  {name: 'Sandra', age: 28, gender: 'female'},
  {name: 'Chuks', age: 30, gender: 'male'},
  {name: 'Chidi', age: 35, gender: 'Male'},
  {name: 'Emma', age: 45, gender: 'female'},
  {name: 'Frank', age: 15, gender: 'male'},
  {name: 'Gideon', age: 32, gender: 'male'},
  {name: 'Jenny', age: 38, gender: 'female'},
  {name: 'Nnenna', age: 43, gender: 'female'},
  {name: 'John', age: 18, gender: 'male'},
  {name: 'Ime', age: 12, gender: 'male'},
  {name: 'Linda', age: 31, gender: 'female'},
]

console.log(groupByGender(obj) )