Portals and Rendering Control

Render outside the DOM hierarchy with portals, build accessible modals, and understand what Strict Mode is really checking.

Level

Advanced

Chapters

4

Exercises

1

Reading time

14 min

What you will cover

1. 1. What a Portal IsRendering into a different DOM node while staying in the React tree.
2. 2. Building an Accessible ModalThe parts a portal does not give you for free.
3. 3. Strict ModeWhat the double invocations are checking, and why not to switch it off.
4. 4. Recap and Related APIsA short tour of the remaining rendering escape hatches.

Up next after this one: React with TypeScript