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The validform.js plug-in check() method is used here
I think it’s you who didn’t prevent the default submission of the form , so even though you wrote ajax处理方式，但是先触发的是form的提交。在按钮click的时候先禁用表单默认提交，event.preventDefault() try it
ajax
form
click
event.preventDefault()
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
I think it’s you who didn’t prevent the default submission of the form , so even though you wrote
ajax处理方式，但是先触发的是form的提交。在按钮click的时候先禁用表单默认提交，event.preventDefault()try it