Since there is no such function in JavaScript, how can we implement it? I will give this function below. You can add this sentence:
to your html page, or you can use
to add it to your asp page; or use include("formatnumber.js") ?>
to add it to php page; or use
to join the jsp page.
This formatnumber sub-function is as follows:
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
