Znajdź średnią liczb
const average = (...args) => args.reduce((a, b) => a + b) / args.length;
average(1, 2, 3, 4);
// Result: 2.5
thefazeelahmed
const average = (...args) => args.reduce((a, b) => a + b) / args.length;
average(1, 2, 3, 4);
// Result: 2.5const arr = [2, 4, 5, 6];
// Find average function
function fAve(totalVal, arrVal, index, array) {
const val = totalVal + arrVal;
if (index === array.lengh -1) {
return val / array.length;
}
return val;
}
// Pass function into reduce method
const average = arr.reduce(fAve);
console.log(average);
//node (js file name).