Summary and Key Takeaways
- You can create custom Hooks to outsource and reuse logic that relies on other built-in or custom Hooks.
- Custom Hooks are regular JavaScript functions with names that start with
use. - Custom Hooks can call any other Hooks.
- Therefore, custom Hooks can, for example, manage state or perform side effects.
- All components can use custom Hooks by simply calling them like any other (built-in) Hooks.
- When multiple components use the same custom Hook, every component receives its own "instance" (i.e., its own state value, etc.).
- Inside of custom Hooks, you can accept any parameter values and return any values of your choice.
What's Next?
Custom Hooks are a key React feature since they help you to write leaner components and reuse (stateful) logic across them. Especially when building more complex React apps (consisting of dozens or even hundreds of components), custom Hooks can lead to tremendously more manageable...
