js 做上传头像，怎么把图片传到服务器
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1.form file domain will refresh the page. You can try the iframe solution.
2.flash, there are often pitfalls like version expiration
3.ajax can use FormData, but is not compatible with lower versions.
You can combine them and use them together if they are compatible with each other
iframe upload
js picture plug-in
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
1.form file domain will refresh the page. You can try the iframe solution.
2.flash, there are often pitfalls like version expiration
3.ajax can use FormData, but is not compatible with lower versions.
You can combine them and use them together if they are compatible with each other
iframe upload
js picture plug-in