Javascript Reference - HTML DOM Input Submit formMethod Property

The form data can be sent as URL variables (method="get") or as an HTTP post transaction (method="post").

The formMethod property sets or gets the formmethod attribute of a submit button.

The formmethod attribute, which overrides the method attribute of the <form> element, defines the HTTP method for sending form-data to the action URL.

Browser Support


`form`	Yes	10.0	Yes	Yes	Yes

Syntax

Return the formMethod property.

var v = submitObject.formMethod

Set the formMethod property.

submitObject.formMethod=get|post

Property Values

Value	Description
get	Default. Appends the form-data to the URL in name/value pairs
post	Sends the form-data as an HTTP post transaction

Return Value

A String type value representing the HTTP method that is used to submit the form to the server.

Example

The following code shows how to get the method for sending form-data.


<!DOCTYPE html>
<html>
<body>
<!--from  ww  w  . ja v a  2s.co m-->
<form target="_blank">
  First name: <input type="text" name="fname" value="abc"><br>
  Last name: <input type="text" name="lname" value="def"><br>
  <input type="submit" id="mySubmit" formaction="demo_form_method.asp" formmethod="get" value="Submit">
</form>
<button onclick="myFunction()">test</button>
<script>
function myFunction() {
    document.getElementById("mySubmit").formMethod = "post";
    document.getElementById("mySubmit").formAction = "demo_form_method_post.asp";
}
</script>
</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to get which HTTP method that is used to submit the form to the server.


<!DOCTYPE html>
<html>
<body>
<!--from w ww.  ja  va2 s. c  o  m-->
<form action="demo_form.asp" method="get">
  First name: <input type="text" name="fname" value="abc"><br>
  Last name: <input type="text" name="lname" value="def"><br>
  <input type="submit" id="mySubmit" formaction="demo_post.asp" formmethod="post" value="Submit">
</form>
<button onclick="myFunction()">test</button>
<p id="demo"></p>
<script>
function myFunction() {
    var x = document.getElementById("mySubmit").formMethod;
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The code above is rendered as follows: