摘要: 我们先来看看回调的英文定义: A callback is a function that is passed as an argument to another function and is executed after its parent function has completed。 字面上 阅读全文
posted @ 2020-01-07 17:30 寒江孤影,江湖路人 阅读(1157) 评论(1) 推荐(3)