Interactive Demo

DevMentor — Demo

Explore a working prototype — click, interact and experience the concept firsthand.

demo.josepinto.dev/devmentor

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Qual método retorna a soma de um array?

challenge.js

function sumArray(arr) {
  return arr.reduce((a, b) => a + b, 0);
}

console.log(sumArray([1, 2, 3]));

This is a portfolio prototype for demonstration purposes.