为什么会有累加器啊?
const sum = array_reduce(numbers, (
accumulator, current) => accumulator + current, 0);console.log(sum); // 输出:15 示例2:计算数组平均值 const values = [10, 20, 30, 40,
50];const average = array_reduce(values, (accumulator, current) => accumulator + current, 0) / ...
原文地址:http://www.qianchusai.com/accumulator-50.html