# Using a Shared Data Context: Why Do We Need It?

One copy of the state, shared with every component nested inside.

![Cheat sheet: Using a Shared Data Context: Why Do We Need It?](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/4147735e1d0445e6805f2a051f294013.webp)

- Category: React
- Level: Journeyman
- Tags: react
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/using-a-shared-data-context-an-overview-cheat-sheet