Re: [whatwg/dom] Proposal: a DocumentFragment whose nodes do not get removed once inserted (#736)

WebReflection left a comment (whatwg/dom#736)

Apologies it's been a long day and this is the last one from me but *GroupNode* would be also a great primitive that could help developing this proposal https://github.com/whatwg/dom/issues/1369 as most operations at that point would indeed be exactly bulk moves from other parents to the fragment, when removed, or bulk `insertBefore` / `moveBefore` from one parent to another, when the `group` is *inserted* elsewhere or *removed* and that could become a natural evolution of the implementation for *NodeGroup*:

```js
const range = new Range;
range.setStartAfter(group.boundaryStart);
range.setEndBefore(group.boundaryEnd);
range.insertBefore(group);
group.boundaryStart.remove();
group.boundaryEnd.remove();
```

no *while* loop needed ... but again, that's just an implementation detail I've used to demo the logic, if bulk moves/operations were possible already, I would've used those to simplify that *while* loop in *JS* and I see these two proposals complementary, instead of exclusive, as neither replaces the other use case.

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