Find out if a local datetime field is disabled or not:
var x = document.getElementById("myLocalDate").disabled;
Click the button to find out if the local datetime field is disabled.
<!DOCTYPE html> <html> <body> <input type="datetime-local" id="myLocalDate" disabled> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {// w w w . j a va 2 s. c o m var x = document.getElementById("myLocalDate").disabled; document.getElementById("demo").innerHTML = x; } </script> </body> </html>