Please refer to this program:
//$day Day of the week, such as: Wednesday
$day=3;
?>
The above has introduced and taught you how to implement the default selection of select in window_onload, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
