Return the state of auto completion:
var x = document.getElementById("mySearch").autocomplete;
Click the button to find out the search field autocomplete status.
<!DOCTYPE html> <html> <body> <form action="/action_page.php"> Search: <input type="search" id="mySearch" name="search" autocomplete="on"> <input type="submit"> </form>//from w w w .j av a2s . c om <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("mySearch").autocomplete; document.getElementById("demo").innerHTML = x; } </script> </body> </html>