ES6 – average employees salary

const employees = [{
name: 'John Olsen',
age: 54,
jobTitle: 'developer',
salary: 70000,
}, {
name: 'Karen Norris',
age: 34,
jobTitle: 'engineer',
salary: 75000,
}, {
name: 'Daryl Cline',
age: 25,
jobTitle: 'secretary',
salary: 54000,
}, {
name: 'Abbey Garcia',
age: 40,
jobTitle: 'developer',
salary: 100000,
}, {
name: 'Finn Smith',
age: 29,
jobTitle: 'engineer',
salary: 40000,
}, {
name: 'Eve Wordsworth',
age: 20,
jobTitle: 'developer',
salary: 65000,
}, {
name: 'Ronald Jacobs',
age: 60,
jobTitle: 'developer',
salary: 90000,
}];
const developers = employees.filter((employee) => employee.jobTitle === 'developer');
const developerSalaries = developers.map((developer) => developer.salary);
const totalDeveloperSalaries = developerSalaries.reduce((acc, x) => acc + x, 0);
const averageDeveloperSalary = totalDeveloperSalaries / developerSalaries.length;
console.log(`averageDeveloperSalary: ${averageDeveloperSalary}`);
const nonDevelopers = employees.filter((employee) => employee.jobTitle !== 'developer');
const nonDeveloperSalaries = nonDevelopers.map((nonDev) => nonDev.salary);
const totalNonDeveloperSalaries = nonDeveloperSalaries.reduce((acc, x) => acc + x, 0);
const averageNonDeveloperSalary = totalNonDeveloperSalaries / nonDeveloperSalaries.length;
console.log(`averageNonDeveloperSalary: ${averageNonDeveloperSalary}`);

averageDeveloperSalary: 81250
averageNonDeveloperSalary: 56333.333333333336