/**
 * Example of method chaining with map, reduce and filter.
 * @param {*} minExp - minimum experience of developer
 * @param {*} bonus - bonus amount to be added
 */
const calTotalSalary = (minExp, bonus) => developers
    .filter(developer => developer.expInYears > minExp)
    .map(developer => developer.salary + bonus)
    .reduce((acc, salary) => acc + salary, 0)

const total = calTotalSalary(3, 5000);
console.log(total); // 375000