const num = 18.186; let result; result = num.toFixed(2) console.log(result) // 18.19 注意,返回值为String类型 相关文章: 2021-08-21 2022-02-27 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2021-06-05