Find out if a URL field is read-only or not:
var x = document.getElementById("myURL").readOnly;
Click the button to find out if the URL field is read-only.
elements with type="url" are not supported in Safari.
<!DOCTYPE html> <html> <body> Homepage: <input type="url" id="myURL" readonly> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {// w w w. ja va 2s .co m var x = document.getElementById("myURL").readOnly; document.getElementById("demo").innerHTML = x; } </script> </body> </html>