The value property specifies the filename of the file selected or input by the user.
<html> <head> <title>Using the value property of the FileUpload object</title> </head> <body> <script language="JavaScript"> <!-- function showFile(){ var input = document.form1.uploadbox.value; alert("The filename entered is: " + input); } --> </script> <form name="form1"> Please select a file. <input type="file" name="uploadbox"> <br><br> Click on the button to see the value of the FileUpload object. <br> <input type="button" value="Submit" onClick=showFile()> </form> </body> </html>