认证0级讲师
Under normal circumstances, an error will be reported during compilation and the code will not work.
If you overload the corresponding operator, then execute it according to the function you wrote yourself.
If you overload an operator, follow the code you overloaded
If it is not reloaded, haha. .
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Under normal circumstances, an error will be reported during compilation and the code will not work.
If you overload the corresponding operator, then execute it according to the function you wrote yourself.
If you overload an operator, follow the code you overloaded
If it is not reloaded, haha. .