hotjar question

hotjar-question.js

const Gender = Object.freeze({MALE: 'male', FEMALE: 'female'})

let people = [
  {name: 'Bob', gender: Gender.MALE, age: 34},  
  {name: 'Maria', gender: Gender.FEMALE, age: 34}
  ]

function getMales30to40(source) {
  return source.filter(person => person.gender === Gender.MALE && person.age >= 30 && person.age <= 40)
}

function test() {
  let result = getMales30to40(people)
  console.log(`Found ${result.length} males between 30 and 40`)
}

test()