Andrea Giammarchi

That tweet thanked you, and it was rushed too. I don’t have much more to add.

I've once (2009) implemented [Object.watch in IE](http://webreflection.blogspot.com/2009/01/internet-explorer-object-watch.html) using similar procedure, DOM as proxy for objects. I remember with a reasonable amount of objects everything was slowing down a lot and...

@twokul the first parameter for `.apply` is the context, not the `arguments` neither an `array` … I think you are passing `arguments` as context instead.

then in `f3` case you should have full speed without needing to recreate the `args` to `apply` as described in this thread: https://github.com/petkaantonov/bluebird/wiki/Optimization-killers#what-is-safe-arguments-usage the _STRICTLY .apply_ part in special

@kdzwinel so you are saying a script language shouldn't have overloads like most common strict languages? wouldn't that be somehow hilarious :-) I'd rather like to know the eventual maximum...

> If child is null, this prepends node as the first child. with `insertBefore`, if `child` is `null` the element is appended (like `appendChild` would do) ... I find this...

@isiahmeadows thanks for clarifying, then maybe the proposal text should be updated ... but to be sure we're on the same page: ```html first task ``` Assuming a new item...

@isiahmeadows so ... [considering this previous scenario](https://github.com/whatwg/dom/issues/986#issuecomment-860459976): ### list.insertAfter(task, null) would produce: ```html last task first task ``` I understand the specular API idea behind, but I find it a...

@isiahmeadows thanks. If you can confirm the polyfill reflects your proposal, I might publish it already under @ungap + I don't see it problematic or much slower than what `insertBefore`...

FWIWI I've published [@ungap/insert-after](https://github.com/ungap/insert-after/blob/main/index.js) polyfill already, in case it's needed for tests or something.