Button formAction Property

Button Object Reference Button Object


Return the URL for where to send the form-data when a form is submitted:

var x = document.getElementById("myBtn").formAction;

The result of x could be:
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Definition and Usage

The formAction property sets or returns the value of the formaction attribute of a button.

The formaction attribute specifies where to send the form-data when a form is submitted. This attribute overrides the HTML form's action attribute.

The formaction attribute is only used for buttons with type="submit".

Note: In the example above, Internet Explorer and Opera 12 (and earlier versions) returns "demo_admin.asp", while Firefox, Opera 15+, Chrome, and Safari returns the entire URL: "".

Note: The formaction attribute is new for the <button> element in HTML5.

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The formAction property is supported in all major browsers.

Note: The formaction property is not supported in Internet Explorer 9 and earlier versions.


Return the formAction property:


Set the formAction property:


Property Values

Value Description
URL Specifies where to send the form-data. Note: this will override the action attribute of the <form> element

Possible values:

  • An absolute URL - the full address of a page (like href="")
  • A relative URL - points to a file within the current site (like href="formresult.asp")

Technical Details

Return Value: A String, representing the URL for where to send the form-data

More Examples


Change the value of the formaction attribute of a button:

document.getElementById("myBtn").formAction = "demo_newvalue.asp";
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Another example on returning the formAction property:

var x = document.getElementById("myBtn").formAction;
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Related Pages

HTML reference: HTML <button> formaction attribute

Button Object Reference Button Object