Accessible Modals in Gatsby using Portals

Accessible Modals in Gatsby using Portals

In this tutorial, we will learn how to Accessible modals in Gatsby using portals and additional react hooks.

Adding a modal (dialog) to your website or app is a common scenario. How can we do it in React? Specifically in Gatsby? Before React version 16, developers had to hack their way a bit to create this simple element. It’s because there wasn’t a straightforward way to create a DOM element next to root/parent element, which could cause issues with positioning (z-index, overflow: hidden). React v16 introduced a new feature called Portals that enables just that.


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