[whatwg] Thoughts on HTML 5

[Garrett Smith]

On Tue, Dec 16, 2008 at 5:14 AM, Giovanni Campagna
<scampa.giovanni at gmail.com> wrote:
> Maybe so-called "invalid" HTML attributes are not the only solution, but in
> my opinion it is a simple way to embed metadata within any element.
>
> Imagine that such markup is then passed to a web application through XHR. In
> that case scripts aren't parsed and executed. In this case you have three
> ways to attach a behaviour:
>
> 2) on-event standard attributes (but they not performant since they're
> parsed every time the event fires and the cannot include chars like > or ",
> they need to be escaped)
> 3) assigning a "class" and some metadata using "data-", then
> getElementsByClassName and addEventListener
>

What is the first way?

I usually prefer to use bubbling.

If the callback has an event target that it is interested in, it can
deal with it at that time.

Garrett