On Wed, May 6, 2015 at 6:45 AM, Anne van Kesteren <ann...@annevk.nl> wrote:

> Open issues are kept track of here:
>   https://wiki.whatwg.org/wiki/Custom_Elements
> This has come up before, but it came up again at the Extensible Web
> Summit so raising hopefully for the last time.
> The DOM has insert/remove primitives for nodes. Custom Elements uses
> "insertion into a document" and "removal from a document" which are
> quite a bit different and higher level. Why should we have different
> primitives here?

This is https://www.w3.org/Bugs/Public/show_bug.cgi?id=24866.

The way I remember it, the argument went like this: the most common use
case for this callback is to react to element becoming part of the main
document (the rough approximation of a nebulous concept "am I useful on the
screen?"), and making these callbacks be invoked in other cases may just be
noise for devs.


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