Посчитать сумму JSON?

Question

[GRO24]

Привет!
Подскажите, пожалуйста. Имею файл JSON

{"response": {"one": {"count": "2","total": "13700","rest": "31500","down": "2500"},"two": {"count": "1","total": "25000","rest": "50000","down": ""},"three": {"count": "2","total": "50000","rest": "5000","down": ""}}}

Хочу посчитать сумму всех полей "count"
Как это можно сделать?

Answer 1

[Fedor Vlasenko]

const str = `{"response": {"one": {"count": "2","total": "13700","rest": "31500","down": "2500"},"two": {"count": "1","total": "25000","rest": "50000","down": ""},"three": {"count": "2","total": "50000","rest": "5000","down": ""}}}`
const obj = JSON.parse(str);
let sum = 0;
for (let key in obj.response) {
    sum += +obj.response[key].count;
}
console.log(sum); //5

Варивнт

Comments

[GRO24]

Спасибо большое!

Answer 2

[Stalker_RED]

const countTotal = Object.values(data.response)
  .reduce((acc, item) => 
    (acc += parseInt(item.count, 10), acc),
   0);

Answer 3

[Pavel Shvedov]

Object.values + reduce

Answer 4

[tempick]

JSON.parse() + for...in + if