如何在javascript中计算数组的值之和

function sumArray(array) {
  let sum = 0;
  for (let i = 0; i < array.length; i++) {
    sum += array[i];
  }
  return sum;
}

const array = [1, 2, 3, 4, 5];
const result = sumArray(array);
console.log(result); // 输出15

function sumArray(array) {
  return array.reduce((accumulator, currentValue) => accumulator + currentValue, 0);
}

const array = [1, 2, 3, 4, 5];
const result = sumArray(array);
console.log(result); // 输出15