JSFiddle - React, Tailwind, and code Playground

JavaScript

var arrayObj = [{
     "id": 1,
     "value": true
 }, {
     "id": 2,
     "value": false
 }, {
     "id": 3,
     "value": true
 }];

 var trueCount = falseCount = 0;

 arrayObj.forEach(function (object) {
     object.value === true ? trueCount++ : falseCount++;
 });

 console.log(trueCount, falseCount);