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How To Determine If User Selected A File For File Upload?

- 1 answer

If I have a

<input id="uploadFile" type="file" />

tag, and a submit button, how do I determine, in IE6 (and above) if a file has been selected by the user.

In FF, I just do:

var selected = document.getElementById("uploadBox").files.length > 0;

But that doesn't work in IE.

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Answer

This works in IE (and FF, I believe):

if(document.getElementById("uploadBox").value != "") {
   // you have a file
}
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source: stackoverflow.com
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