Find out if a search field is read-only or not:
var x = document.getElementById("mySearch").readOnly;
Click the button to find out if the search field is read-only.
<!DOCTYPE html> <html> <body> Search: <input type="search" id="mySearch" readonly> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/*from w w w .jav a2 s .c om*/ var x = document.getElementById("mySearch").readOnly; document.getElementById("demo").innerHTML = x; } </script> </body> </html>