javascript sum array of objects
arr = [{x:1}, {x:3}]
arr.reduce((accumulator, current) => accumulator + current.x, 0);javascript sum array of objects
arr = [{x:1}, {x:3}]
arr.reduce((accumulator, current) => accumulator + current.x, 0);javascript sum of array
const sum = arr => arr.reduce((a, b) => a + b, 0);javascript sum of number in object array
run.addEventListener("click", function () {
let sum = people.reduce(function (a, b) { // function(previousValue, currentValue)
return {
age: a.age + b.age, //select age in object array
};
});
console.log(sum); //output sum of ages
});Copyright © 2021 Codeinu
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