Get the text of a search field:
var x = document.getElementById("mySeach").value;
Click the button to display the value attribute of the search field.
<!DOCTYPE html> <html> <body> Search: <input type="search" id="mySearch" value="Food"> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {/* w w w.ja va 2 s. c om*/ var x = document.getElementById("mySearch").value; document.getElementById("demo").innerHTML = x; } </script> </body> </html>