Find out if a date field is disabled or not:
var x = document.getElementById("myDate").disabled;
Click the button to find out if the date field is disabled.
<!DOCTYPE html> <html> <body> <input type="date" id="myDate" disabled> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {//from ww w .j a va2s . c o m var x = document.getElementById("myDate").disabled; document.getElementById("demo").innerHTML = x; } </script> </body> </html>