Javascript examples for DOM HTML Element:Input Hidden
The form property returns a reference to the form containing the hidden input field.
This property is read only.
A reference to the form element containing the hidden input field. If the hidden input field is not in a form, null is returned
The following code shows how to return the id of the form containing the <input type="hidden"> element:
<!DOCTYPE html> <html> <body> <form id="myForm"> <input type="hidden" id="myInput"> </form>//from w w w . j a va 2 s. c om <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myInput").form.id; document.getElementById("demo").innerHTML = x; } </script> </body> </html>