Company Recursion

compRecursion.js

let company = {
    sales: [{
      name: 'John',
      salary: 1000
    }, {
      name: 'Alice',
      salary: 1600
    }],
  
    development: {
      sites: [{
        name: 'Peter',
        salary: 2000
      }, {
        name: 'Alex',
        salary: 1800
      }],
  
      internals: [{
        name: 'Jack',
        salary: 1300
      }]
    }
  };

function sumSalaries(department) {
    //check for array (departement)
    if(Array.isArray(department)) {

       return department.reduce((prev, curr) => prev + curr.salary, 0)

    } else { //check for object (multi departmetns)

        let sum = 0;

        for (let subdep of Object.values(department)) {
            sum
            sum += sumSalaries(subdep);
        }

        return sum;
    }
}



sumSalaries(company) //?




function filterToNum (num) {
    return function(x) {
        return x == num;
    }
}

let arr = [1,2,3,4,5];

arr.filter(filterToNum(3)) //?
arr.filter(filterToNum(2)) //?