]
showit requires three parameters
showit(str,start,end);
str is generally an advertising code such as "
Script Home"
start is the start date, which generally must be in the format of "2009-08-02"
end is the advertising expiration time, which must be in the format of "2009-08-02"This is very important. Otherwise it will not be displayed, please fill it in as needed.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
