Find out if a FileUpload button is disabled or not:
var x = document.getElementById("myFile").disabled;
Click the button below to find out if the File Upload button above is disabled.
<!DOCTYPE html> <html> <body> Get file: <input type="file" id="myFile" disabled> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/*from w ww. j av a 2s . c o m*/ var x = document.getElementById("myFile").disabled; document.getElementById("demo").innerHTML = x; } </script> </body> </html>