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