possible to remove/add elements without rerender of entire app tree?

[iambumblehead]

Is it possible to precisely remove or add nodes without re-rendering the entire app tree?

For example, if a new "user" is created, is there a supported way to render the vnode-tree for that new user to an existing list of "users", without full re-render?

pseudocode

newUserDiv = document.createElement('div')
render(newUserVTree, newUserDiv)
usersListElement.appendChild(newUserDiv.firstElementChild)

[Havunen]

Typically one uses class components and setState() to render only its subtree.

You can also use should component update lifecycle event and hook to prevent propagating update to its children

[iambumblehead]

I'm not using react or hooks here. Without using those, is there a way to achieve this?

[Havunen]

I mean inferno hooks for functional components: https://www.infernojs.org/docs/guides/components but that only "blocks" the render from propagating to children. Class components can be used to re - render only a specific area with set state