Use jquery to clear the file domain solution _jquery

For example, after you have used validation on a file field (input type= "file"), we always want to empty the value in the File field (otherwise the wrong file will still be submitted), but in IE, the reason for security is not to allow changes to the value of the file field (that is, Val ("") cannot be used. ）

So obviously, we can only change the idea of this INPUT element to copy one, and then delete the original.
When the elements are copied in IE, the values are not replicated, so the goal of emptying the file domain is achieved.
And in Firefox, where the value will also be copied together, then we will be able to empty a bit of compatibility.

The code is as follows:

Copy Code code as follows:

var file = $ ("#file")
File.after (File.clone (). Val (""));
File.remove ();