[whatwg] Web Forms 2.0 proposal
ian at hixie.ch
Mon Aug 14 16:57:15 PDT 2006
On Sat, 11 Feb 2006, Sean Hogan wrote:
> If I'm reading the spec correctly then "pattern" is used to prevent/allow form
> submission, and to highlight an invalid entry.
> What I am suggesting is a filter that can be matched against for each keypress
> event. If keyCode matches then the character is appended to the input as
> normal. If it doesn't then the character is dropped on the floor.
A user agent would be allowed to do that in response to the pattern=""
attribute. That is, the behaviour you describe is behaviour that browsers
are allowed to implement when authors use the pattern="" attribute, to
ensure that the user can't type in invalid values.
It isn't required, because, as you point out, this is a UI issue.
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
More information about the whatwg