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实在想不通为什么要阻止这个默认提交表单呢，在什么场景下实在是想不出来。。
Why should you prevent the default submit form behavior of submit? -PHP Chinese website Q&A-Why should you prevent the default submission form behavior of submit? -PHP Chinese website Q&A
Please watch and learn.
里面有说了,就是要先校验客户提交的数据,格式是否正确,或者你还需要对这些数据进行一个处理再提交,就需要先阻止下默认提交表单的行为
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Why should you prevent the default submit form behavior of submit? -PHP Chinese website Q&A-Why should you prevent the default submission form behavior of submit? -PHP Chinese website Q&A
Please watch and learn.
里面有说了,就是要先校验客户提交的数据,格式是否正确,或者你还需要对这些数据进行一个处理再提交,就需要先阻止下默认提交表单的行为