187042 - Return/enter to submit form sends name/value pair of first input/button

Status: VERIFIED DUPLICATE of bug 156683

(Core :: DOM: Core & HTML, defect)

Description

[Joe M]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.3b) Gecko/20021226
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.3b) Gecko/20021226

Using a particular button to submit a form (by clicking or keyboard or whatever)
should submit that button's name/value pair. This functionality is present
because (according to http://www.htmlhelp.com/reference/html40/forms/input.html):

The submit input type defines a button for submitting the form. As with reset,
the optional VALUE attribute provides the text of the button. The presence of
the NAME attribute will cause the browser to send a name/value pair for the
submit button if it is used to submit the form. This allows authors to provide
multiple submit buttons and have the form handler take a different action
depending on the submit button used.

I looked at the W3C, but actually couldn't find this. But that behavior makes
enough sense, so I think it's right.

But when a form is submitted by pressing enter or return, I don't think (again,
I couldn't confirm this with the W3C's site) that any input's or button's
name/value pairs should be included since none were used to submit the form. A
case in point is Google (see steps to reproduce). IE does not submit name/value
pairs when the form is submitted with enter or return.

Reproducible: Always

Steps to Reproduce:
1.Go to www.google.com
2.Type any query
3.Submit with enter or return
4.Might want to repeat 1-3 in IE for comparison

Actual Results:  
btnG=Google+Search is sent to Google, suggesting that the button was used for
submission. Consequently, Google also shows the tip: "In most browsers you can
just hit the return key instead of clicking on the search button."

Expected Results:  
btnG=Google+Search should not be sent and the tip should not appear.

Comment 1

[Joe M]

Attachment: Simple form with input and button elements

This test case just shows what Mozilla submits by GET method. I'm sure the
form's action points to a non-existent file, so submission probably will put
you at an error page, but I think the location bar will still show the query.

Anyway, notice that when submitting this form with enter/return, submit=input
is included. This also shows something that I forgot to mention: only the first
input or button element's name/value pair is submitted.

Comment 2

[Boris Zbarsky [:bzbarsky]]

This is done quite on purpose, for consistency with the "multiple text field" 
case in which IE _does_ send the first button (as does Mozilla, of course).  
There is no reason to introduce this gratuitous inconsistency based on merely 
the number of text/password inputs in the form....

*** This bug has been marked as a duplicate of 156683 ***

Comment 3

[Vladimir Ermakov]

Verifying.