[whatwg] Form validation against invisible controls

Maciej Stachowiak mjs at apple.com
Mon Jun 14 15:24:37 PDT 2010

On Jun 14, 2010, at 3:40 AM, Ian Hickson wrote:

> On Mon, 14 Jun 2010, Ola P. Kleiven wrote:
>> The following sites have workarounds in Opera's browser.js to allow form
>> submit:
>> airgreenland.com (using required on hidden elements)
>> barnesandnoble.com (using required on visible elements that are supposed to be
>> empty on submit...)
>> bookryanair.com (using required=false - this usage has also been found in JS
>> libraries)
>> ingdirect.com.au (using required on a visible field, but then emptying the
>> field with JS before submit)
>> usairways.com (using required on hidden elements)
>> Most of these have been using it for several years and have not responded to
>> change requests from our side.
>> We have also seen a couple of instances of wrong input types (number 
>> where text expected etc.), but the usage of "required" is the biggest 
>> problem in my experience.
> Incorrect use of "required" in HTML4-era documents also seems to be the 
> common problem Chrome ran into -- at the risk of starting a bikeshed 
> discussion, does anyone have any good suggestions for alternative names?

A few suggestions:



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