function method(callBack) { console.time("所用时间"); callBack() console.timeEnd("所用时间")}function aa() { let num = 0; for (let i = 0; i < 5000; i++) { num++ }}method(aa)
function method(callBack) { console.time("所用时间"); callBack() console.timeEnd("所用时间")}function aa() { let num = 0; for (let i = 0; i < 5000; i++) { num++ }}method(aa)名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
