关键词:Eval and new funciton not the same thing 如何实现，Eval and new funciton not the same thing 怎么搞，Eval and new funciton not the same thing 基础知识，Eval and new funciton not the same thing 代码实例，Eval and new funciton not the same thing 视频教程，Eval and new funciton not the same thing 如何自学