Find out if a Submit button is disabled or not:
var x = document.getElementById("mySubmit").disabled;
Click the button to find out if the Submit button is disabled.
<!DOCTYPE html> <html> <body> <input type="submit" id="mySubmit" disabled> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/* ww w . j a v a2 s. c o m*/ var x = document.getElementById("mySubmit").disabled; document.getElementById("demo").innerHTML = x; } </script> </body> </html>